Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 1 - Sections 1.1-1.8 - Exercises - Problems by Topic - Page 40: 78c


There are three significant figures in $3.12 \times 10^{5}$.

Work Step by Step

Using scientific notation is an easy way to show which numbers are significant and which are not. The $10^{5}$ is only there to show how many zeroes there are, and the 3, 1 and the 2 are the only significant figures.
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