Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 2 - Section 2.3 - Multiplication and Division of Signed Numbers - Exercises - Page 114: 49



Work Step by Step

Multiply the absolute values. Since the number of negative factors is odd the product is negative. $(-9)(-2)(+3)(+1)(-3)=-(|-9|\times |-2|\times|+3|\times|+1|\times|-3|)=-(9\times2\times3\times1\times3)=-162$
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