Chemistry Chemistry Practice Problems Solutions Library

Significant Figures Solutions Library

Access 147 Significant Figures video and text solutions to help you complete your homework. Need to revisit the concept? Watch our Significant Figures learn videos.

Browse Solutions

147 solutions

Significant Figures

Q. Compute 4.659×104 − 2.14×104. Round the answer appropriately. Express your answer as an integer using the proper number of significant figures (e.g...

Solved • Mar 31, 2020

Significant Figures

Q. Which of the following has 4 significant figures?A. 0.0042B. 1.054C. 1.30 x 102D. 1300E. 2.0004

Solved • Nov 28, 2019

Significant Figures

Q. What is the length of the metal bar with the correct number of significant figures?a. 20 cmb. 15 cmc. 15.0 cmd. 15.00 cme. 15.000 cm

Solved • Sep 17, 2019

Significant Figures

Q. How many significant figures are in the measurement, 0.0005890 g?A. 4B. 5C. 6D. 7E. 8

Solved • Sep 15, 2019

Significant Figures

Q. A student weighs a flask (222g) and adds to this flask 4.325g of glucose (C6H12O6) and 35.5g of water. Properly expressed in significant figures, t...

Solved • Sep 14, 2019

Significant Figures

Q. How many significant digits are in the number 0.002030?a. 3b. 4c. 5d. 6e. 7

Solved • Sep 14, 2019

Significant Figures

Q. A calculator is used to add and subtract measured masses: 43 g + 1.00 g - 2.008 g = 41.992 g What should the numeric answer be when expressed to th...

Solved • Sep 13, 2019

Significant Figures

Q. Which of these best expresses 0.0030950 in exponential notation to three significant figures?

Solved • Sep 13, 2019

Significant Figures

Q. Consider the numbers 23.68 and 4.12. The sum of these numbers has ____ significant figures, and the product of these numbers has ____ significant f...

Solved • Sep 13, 2019

Significant Figures

Q. How many significant figures are there in the number 0.0003677?

Solved • Sep 13, 2019

Significant Figures

Q. How many significant figures are there in the answer for the following problem?A) one B) two C) three D) four

Solved • Sep 13, 2019

Significant Figures

Q. Read the water level with the correct number of significant figures.A) 87.20 mL B) 87.2 mL C) 87.2000 mL D) 87.200 mL E) 87 ml

Solved • Sep 13, 2019

Significant Figures

Q. How many milliliters of liquid does the smaller graduated cylinder contain? Express your answer in milliliters using the proper number of significa...

Solved • Aug 2, 2019

Significant Figures

Q. Carry out the following calculations, expressing each result with the correct number of significant figures:24.567 g + 0.044 78 g = ? g

Solved • Oct 25, 2018

Significant Figures

Q. Carry out the following calculations, expressing each result with the correct number of significant figures:4.6742 g / 0.003 71 L = ? g/L

Solved • Oct 25, 2018

Significant Figures

Q. The diameter of Jupiter at its equator is 142984 km.Round off this quantity to four significant figures.

Solved • Oct 25, 2018

Significant Figures

Q. Round off the following quantities to the number of significant figures indicated in parentheses.70.427 g (3)

Solved • Oct 25, 2018

Significant Figures

Q. How many significant figures are in each of the following measurements?35.0445 g

Solved • Oct 25, 2018

Significant Figures

Q. How many significant figures are in each of the following measurements?0.03003 kg

Solved • Oct 25, 2018

Significant Figures

Q. How many significant figures are in each of the following measurements?67,000 m2

Solved • Oct 25, 2018

Significant Figures

Q. What is the difference in mass between a nickel that weighs 4.8 g and a nickel that weighs 4.870 g ?

Solved • Oct 25, 2018

Significant Figures

Q. The mass of a glass beaker is known to be 24.8 g. Approximately 5 mL of water are added, and the mass of the beaker and water is measured on an ana...

Solved • Oct 25, 2018

Significant Figures

Q. Is the use of significant figures in each of the following statements appropriate?On July 1, 2005, the population of Cook County, Illinois, was 5,3...

Solved • Oct 25, 2018

Significant Figures

Q. A sample that has a mass of about 25 g is weighed on a balance that has a precision of 0.1 g. How many significant figures should be reported for t...

Solved • Oct 25, 2018

Significant Figures

Q. An object is determined to have a mass of 0.01080 g. How many significant figures are there in this measurement?

Solved • Oct 25, 2018

Significant Figures

Q. Carry out the following operations, and express the answer with the appropriate number of significant figures.863 x [1255 - (3.45 x 108)]

Solved • Oct 25, 2018

Significant Figures

Q. What is the length of the pencil in the figure if the scale reads in centimeters?

Solved • Oct 25, 2018

Significant Figures

Q. What is the following number to four significant figures in standard exponential notation: 102.53070

Solved • Oct 25, 2018

Significant Figures

Q. What is the following number to four significant figures in standard exponential notation: 0.008543210

Solved • Oct 25, 2018

Significant Figures

Q. The diameter of Earth at the equator is 7926.381 mi. Round this number to three significant figures, and express it in standard exponential notation.

Solved • Oct 25, 2018

Significant Figures

Q. The circumference of Earth through the poles is 40,008 km. Round this number to four significant figures, and express it in standard exponential no...

Solved • Oct 25, 2018

Significant Figures

Q. The following statements are all true.a. Jessica's house is 5 km from the grocery store.b. Jessica's house is 4.73 km from the grocery store.c. Jes...

Solved • Oct 25, 2018

Significant Figures

Q. Perform the calculations to the correct number of significant figures.(12.01 x imes 0.3) + 4.811

Solved • Oct 25, 2018

Significant Figures

Q. Round each to three significant figures.1.548952×107

Solved • Oct 25, 2018

Significant Figures

Q. How many significant figures are in each of the following numbers?1.563300 1011

Solved • Oct 25, 2018

Significant Figures

Q. Which of the following numbers are exact numbers and therefore have an unlimited number of significant figures?EPA gas mileage rating of 26 miles p...

Solved • Oct 25, 2018

Significant Figures

Q. Which of the following numbers are exact numbers and therefore have an unlimited number of significant figures?1 gross = 144 pcs

Solved • Oct 25, 2018

Significant Figures

Q. What is the meaning of the number of digits reported in a measured quantity?

Solved • Oct 25, 2018

Significant Figures

Q. Draw a picture showing the markings (graduations) on glassware that would allow you to make each of the following volume measurements of water, and...

Solved • Oct 17, 2018

Significant Figures

Q. The beakers shown below have different precisions.a. Label the amount of water in each of the three beakers to the correct number of significant fi...

Solved • Oct 16, 2018

Significant Figures

Q. Use exponential notation to express the number 385,500 tod. five significant figures.

Solved • Oct 16, 2018

Significant Figures

Q. Round off each of the following numbers to two significant figures:(a) 0.436

Solved • Oct 16, 2018

Significant Figures

Q. Indicate whether each of the following can be determined exactly or must be measured with some degree of uncertainty:(c) the number of gallons of g...

Solved • Oct 16, 2018

Significant Figures

Q. How many significant figures are contained in each of the following measurements?(a) 38.7 g(b) 2 × 1018 m(c) 3,486,002 kg(d) 9.74150 × 10−4 J(e) 0....

Solved • Oct 16, 2018

Significant Figures

Q. Which statements include exact numbers?(a) Angel Falls is 3212 ft high.(b) There are 8 known planets in the Solar System.(c) There are 453.59 g in ...

Solved • Oct 12, 2018

Significant Figures

Q. Identify the exact numbers in this list. Select all that apply. (a) 56.00 s (a time measured by a stopwatch) (b) 4 choices (the number of choices i...

Solved • Sep 12, 2018

Significant Figures

Q. How many significant digits are in the following number? 150.0

Solved • Aug 23, 2018

Significant Figures

Q. Express 96,342 m using 2 significant figures. 1) 9.60 x 104 m 2) 9.6 x 10-4 m 3) 9.6 x 104 m 4) 96,000. m 5) 9.60 x 10-4 m

Solved • Aug 22, 2018

Significant Figures

Q. Which measurement is expressed to 4 significant figures? 1) 0.00423 kg 2) 24.049 cm 3) 1300 K 4) 82,306 m5) 62.40 g

Solved • Aug 22, 2018

Significant Figures

Q. Translate the following numbers into standard notation, maintaining the same number of significant figures. a. 4.52 x 103 b.  8.11 x 10-2 

Solved • Aug 14, 2018

Significant Figures

Q. How many significant figures are in the number 0.80610?

Solved • Jun 8, 2018

Significant Figures

Q. What is the correct answer to the following expression? 4.13 x 10-10 + 7.59 x 10 -12 a. 4.21 x 10-10 b. 4.2 x 10-10 c. 4 x 10-10 d. 4.206 x 10-10 e...

Solved • Mar 15, 2018

Significant Figures

Q. The number of significant figures in 0.066900 x 10 -4 isa. 5b. 6c. 7d. 3e. 4

Solved • Mar 15, 2018

Significant Figures

Q.  All 50 students agree that in the classroom there are 100 chairs. This number has: a. 1 significant figure b. 2 significant figures c. 3 signif...

Solved • Oct 10, 2017

Significant Figures

Q. There are 6 significant figures in the number 0.003720. A. True B. False

Solved • Jun 29, 2017

Significant Figures

Q. Determine the number of significant figures for the result of the following arithmetic calculations. (i) (332.41 + 711.59) (ii) (3.00 x 92.11) / 1...

Solved • Jun 19, 2017

Significant Figures

Q. How many significant figures should be used to express the value of x? x = (23.714 + 86.97 - 0.8693) / 31.7400 ? A) two B) three C) four D) fi...

Solved • Jun 19, 2017

Significant Figures

Q. How many significant figures are in the measurement, 20.300 m? A) 3 B) 4 C) 5 D) 1 E) 2

Solved • Jun 16, 2017

Significant Figures

Q. While standing on the summit, you discover there are 16 other people on the top of Africa with you. This number of people has how many significant ...

Solved • Sep 20, 2016

Significant Figures

Q. Which measurement is correct when using a 30-cm ruler with 0.1 cm markings? a)  10.1 cm b) -0.05 cm    c)   5.225 cmd)  3.45 cm e) 29 cm

Solved • Sep 7, 2016

Significant Figures

Q. What is the value for y, rounded correctly and to the proper number of significant figures when x = 0.320 in the following equation? y = 7.3562 x ...

Solved • Aug 23, 2016

Significant Figures

Q. Perform the following mathematical operations and express the result to the correct number of significant figures.f. 8.925 - 8.905 / 8.925 x 100(Th...

Solved • Jul 18, 2016

Significant Figures

Q. Perform the following mathematical operations and express the result to the correct number of significant figures.e. 9.5 + 4.1 + 2.8 + 3.175 / 4(As...

Solved • Jul 18, 2016

Significant Figures

Q. Perform the following mathematical operations and express the result to the correct number of significant figures.d. (3.8 x 10-12 + 4.0 x 10-13) / ...

Solved • Jul 18, 2016

Significant Figures

Q. Perform the following mathematical operations and express the result to the correct number of significant figures.c. 6.071 x 10-5 - 8.2 x 10-6 - 0....

Solved • Jul 18, 2016

Significant Figures

Q. Perform the following mathematical operations and express the result to the correct number of significant figures.b. (6.404 x 2.91) / (18.7 - 17.1)

Solved • Jul 18, 2016

Significant Figures

Q. Perform the following mathematical operations and express the result to the correct number of significant figures.a. 2.526 / 3.1 + 0.470 / 0.623 + ...

Solved • Jul 18, 2016

Significant Figures

Q. Perform the following mathematical operations, and express each result to the correct number of significant figures.d. 2.00 x 106 / 3.00 x 10 -7

Solved • Jul 18, 2016

Significant Figures

Q. Perform the following mathematical operations, and express each result to the correct number of significant figures.c. 4.0 x 10 4 x 5.021 x 10-3 x ...

Solved • Jul 18, 2016

Significant Figures

Q. Perform the following mathematical operations, and express each result to the correct number of significant figures.b. 0.14 x 6.022 x 10 23

Solved • Jul 18, 2016

Significant Figures

Q. Perform the following mathematical operations, and express each result to the correct number of significant figures.a. 0.102 x 0.0821 x 273 / 1.01

Solved • Jul 18, 2016

Significant Figures

Q. Evaluate each of the following and write the answer to the appropriate number of significant figures.e. 7.255 - 6.8350

Solved • Jul 18, 2016

Significant Figures

Q. Evaluate each of the following and write the answer to the appropriate number of significant figures.d. 2.01 x 102 + 3.014 x 103

Solved • Jul 18, 2016

Significant Figures

Q. Evaluate each of the following and write the answer to the appropriate number of significant figures.c. 52.331 + 26.01 - 0.9981

Solved • Jul 18, 2016

Significant Figures

Q. Evaluate each of the following and write the answer to the appropriate number of significant figures.b. 1.0028 + 0.221 + 0.10337

Solved • Jul 18, 2016

Significant Figures

Q. Evaluate each of the following and write the answer to the appropriate number of significant figures.a. 212.2 + 26.7 + 402.09

Solved • Jul 18, 2016

Significant Figures

Q. How many significant figures are in each of the following?g. 4.800 x 10–3

Solved • Jul 18, 2016

Significant Figures

Q. How many significant figures are in each of the following?g. 4.80 x 10–3

Solved • Jul 18, 2016

Significant Figures

Q. How many significant figures are in each of the following?f. 0.00480

Solved • Jul 18, 2016

Significant Figures

Q. How many significant figures are in each of the following?e. 0.0048

Solved • Jul 18, 2016

Significant Figures

Q. How many significant figures are in each of the following?d. 100.

Solved • Jul 18, 2016

Significant Figures

Q. How many significant figures are in each of the following?c. 1.0 x 10 3

Solved • Jul 18, 2016

Significant Figures

Q. How many significant figures are in each of the following?b. 1.0 x 10 2

Solved • Jul 18, 2016

Significant Figures

Q. How many significant figures are in each of the following?a. 100

Solved • Jul 18, 2016

Significant Figures

Q. Consider multiplying 26.2 by 16.43. What would a mathematician say the answer is? What would a scientist say? Justify the scientist’s answer, not m...

Solved • Jul 18, 2016

Significant Figures

Q. Consider the addition of 15.4 to 28. What would a mathematician say the answer is? What would a scientist say? Justify the scientist’s answer, not ...

Solved • Jul 18, 2016

Significant Figures

Q. You have a graduated cylinder that contains a liquid (see photograph). Write the volume of the liquid, in milliliters, using the proper number of s...

Solved • Jul 4, 2016

Significant Figures

Q. You weigh an object on a balance and read the mass in grams according to the picture. How many significant figures are in this measurement?

Solved • Jul 4, 2016

Significant Figures

Q. Carry out the following operations, and express the answer with the appropriate number of significant figures.(c) (0.0045 x 20,000.0) + (2813 x 12)

Solved • Jul 4, 2016

Significant Figures

Q. Carry out the following operations, and express the answer with the appropriate number of significant figures.(b) [(285.3 x 105) – (1.200 x 103)] x...

Solved • Jul 4, 2016

Significant Figures

Q. Carry out the following operations, and express the answer with the appropriate number of significant figures.(a) 320.5 - (6104.5/2.3)

Solved • Jul 4, 2016

Significant Figures

Q. Carry out the following operations, and express the answers with the appropriate number of significant figures.(d) 0.0577/ 0.753 

Solved • Jul 4, 2016

Significant Figures

Q. Carry out the following operations, and express the answers with the appropriate number of significant figures.(e) (6.21 x 103) (0.1050) 

Solved • Jul 4, 2016

Significant Figures

Q. Carry out the following operations, and express the answers with the appropriate number of significant figures.(b) 257.2 - 19.789 

Solved • Jul 4, 2016

Significant Figures

Q. Indicate the number of significant figures in each of the following measured quantities: (e) 307.080 g 

Solved • Jul 4, 2016

Significant Figures

Q. Indicate the number of significant figures in each of the following measured quantities: (d) 350.00 K 

Solved • Jul 4, 2016

Significant Figures

Q. Indicate the number of significant figures in each of the following measured quantities: (c) 1.700 cm 

Solved • Jul 4, 2016

Significant Figures

Q. Indicate the number of significant figures in each of the following measured quantities: (b) 205 m2

Solved • Jul 4, 2016

Significant Figures

Q. Indicate the number of significant figures in each of the following measured quantities:(a) 3.774 km 

Solved • Jul 4, 2016

Significant Figures

Q. What is the number of significant figures in each of the following measured quantities?(e) 7.0500 x 10–3m3 

Solved • Jul 4, 2016