Denise W. answered • 09/19/13

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Yes, you begin at the left-most, non-zero digit and count from there.

Kim G.

asked • 09/02/13 is 0.000319 the right answer for rounding 0.0003192 so it contains 3 significant figures?

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Denise W. answered • 09/19/13

Tutor

New to Wyzant
Elementary / Middle / High School Math Tutor

Yes, you begin at the left-most, non-zero digit and count from there.

Alex S. answered • 09/02/13

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New to Wyzant
Patient and Knowledgeable Math and Economics Tutor

Yes! The first 0's are just place holders. Everything after that tell us something about the accuracy of the measurement, and are therefore significant digits. For more, here's a website I found:

http://www.purplemath.com/modules/rounding2.htm

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