Significant Figures: In Calculations Video Lessons

Concept: Significant Figure Rules with Multiplication and Division.

# Problem: To how many significant figures should each answer be rounded?After rounding, the answer to equation A should havea. 1 significant figureb. 5 significant figurec. 2 significant figured. 3 significant figuree. 4 significant figure

###### FREE Expert Solution

We are asked for the number of significant figures in the answer to the problem.

The number of significant figures depends on the operation we use:

1.  addition or subtraction - the least number of decimal places will determine the final answer.

2. multiplication or division - the least number of significant figures will determine the final answer.

We operate the ones in the brackets first in this order : () → [] → {}

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###### Problem Details

To how many significant figures should each answer be rounded?

After rounding, the answer to equation A should have

a. 1 significant figure

b. 5 significant figure

c. 2 significant figure

d. 3 significant figure

e. 4 significant figure