Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 1 - The Nature of Chemistry - Exercise 1.5 - Significant Digits and Rounding Numbers - Page 12: c

Answer

631.5

Work Step by Step

We find: (i) 15.80 + 0.0060 × 2.0 + 0.081 = 15.893 = 15.89 (ii) 55.0/12.34 = 23.5042735043 = 4.45705024311 = 4.46 (iii) (12.7732 - 2.3317) / 5.007 = 2.08538046735 = 2.085 (iv) 2.16 × 103 + 4.01 × 102 = 222.48 + 409.02 = 631.5
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