1. Multiplying and dividing9
Significant Figures
Multiplying and dividing

2. Multiplying and Dividing with Significant Figures
When multiplying or dividing numbers round the answer to the least number of significant figures found in any of the numbers used.
1. Combining numbers- you are as good as your worst number!
V = distance
time
V = m
2.0 min
6 sig figs
2 sig figs
= m/min
2 sig figs

3. Multiplying and Dividing with Significant Figures
When multiplying or dividing numbers round the answer to the least number of significant figures found in any of the numbers used. . 2.
x x 2.3 x =
must round to 2 sig figs like
= 7.4

4. Multiplying and Dividing with Significant Figures
When multiplying or dividing numbers round the answer to the least number of significant figures found in any of the numbers used. 3.
5.33 x x x x x x x 10-11
2.26 x

5. 4. Evaluate
x x x x x x x x x x 10-3 38

6. Multiplying and Dividing with Significant Figures
When multiplying or dividing numbers round the answer to the least number of significant figures found in any of the numbers used. 5.
x x x x x x x x x x 10-3
5.35 x 10-4