General, Organic, and Biological Chemistry: Structures of Life (5th Edition)

Published by Pearson
ISBN 10: 0321967461
ISBN 13: 978-0-32196-746-6

Chapter 2 - Chemistry and Measurements - 2.3 Significant Figures in Calculations - Questions and Problems - Page 35: 2.20

Answer

We sometimes add a zero to a number in a calculator display in order to adjust the result to the correct number of Significant Figures.

Work Step by Step

The result of a calculation that uses Measured Numbers has to keep the correct number of Significant Figures. Usually, the Calculator does not understand the concept of significant figures, and does not show the most appropriate answer.
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