Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 1 - Problems - Page 37: 1.54


a) 0.00036 b) 35.83 c) 22.5

Work Step by Step

a )Zeroes before significant figures in a number less than zero are insignificant. 5 rounds up, so the previous 5 becomes a 6. b) 4 does not round up, so the previous 3 remains. c) 5 rounds up, so the previous 4 becomes a 5.
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