Practice: Read the length of the pencil to the correct number of significant figures.

Subjects
Sections | |||
---|---|---|---|
Classification of Matter | 15 mins | 0 completed | Learn Summary |
Physical & Chemical Changes | 19 mins | 0 completed | Learn Summary |
Chemical Properties | 8 mins | 0 completed | Learn Summary |
Physical Properties | 7 mins | 0 completed | Learn |
Intensive vs. Extensive Properties | 14 mins | 0 completed | Learn |
Temperature | 13 mins | 0 completed | Learn |
Scientific Notation | 14 mins | 0 completed | Learn |
SI Units | 8 mins | 0 completed | Learn |
Metric Prefixes | 24 mins | 0 completed | Learn Summary |
Significant Figures | 10 mins | 0 completed | Learn Summary |
Significant Figures: Precision in Measurements | 8 mins | 0 completed | Learn |
Significant Figures: In Calculations | 15 mins | 0 completed | Learn |
Conversion Factors | 16 mins | 0 completed | Learn |
Dimensional Analysis | 21 mins | 0 completed | Learn |
Density | 13 mins | 0 completed | Learn Summary |
Density of Geometric Objects | 19 mins | 0 completed | Learn |
Density of Non-Geometric Objects | 8 mins | 0 completed | Learn |
Significant Figures are used to discuss the level of precision in any measurement.
Concept #1: The more significant figures in a measurement then the more precise it is.
Example #1: Determine the number of significant figures involved in measuring the length of the square.
a) 3 cm
b) 3.2 cm
c) 3.20 cm
d) 3.200 cm
Practice: Read the length of the pencil to the correct number of significant figures.
Practice: What is the correct reading for the liquid in the burette provided below?
Join thousands of students and gain free access to 46 hours of Chemistry videos that follow the topics your textbook covers.
Enter your friends' email addresses to invite them: