General Chemistry: Principles and Modern Applications (10th Edition)

Published by Pearson Prentice Hal
ISBN 10: 0132064529
ISBN 13: 978-0-13206-452-1

Chapter 1 - Matter: Its Properties and Measurement - Exercises - Exponential Arithmetic: 14

Answer

a) 0.0321 b) 0.000508 c) 0.001219 d) 0.162

Work Step by Step

a) $3.21\times10^{-2}$ Replace the comma two places to the left, so the decimal notation is 0.0321 b) $5.08\times10^{-4}$ Replace the comma four places to the left, so the decimal notation is 0.000508 c) $121.9\times10^{-5}$ Replace the comma five places to the left, so the decimal notation is 0.001219 d) $16.2\times10^{-2}$ Replace the comma two places to the left, so the decimal notation is 0.162
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