Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 1 - Introduction: Matter and Measurement - Exercises: 1.38f


2 sig figs

Work Step by Step

Sig figs are all digits of a measured quantity. The more sig figs, the greater the precision of the measurement. To find sig figs, you count from left to right, starting at the first digit that is non zero. Additionally, 0s between two non zeroes are significant and zeroes at the end are significant, but only if the number contains a decimal place. By these rules, 1.3e3 has two sig figs.
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