College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 1 - Multiple-Choice Questions - Page 19: 10

Answer

The correct answer is (c) 5

Work Step by Step

The number 0.0078406 has 5 significant digits. The number 9.45020 has 6 significant digits. When we multiply these two numbers, the product should be written with 5 significant digits because that is the smallest number of significant digits in one of the numbers. The correct answer is (c) 5
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