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: 48

Answer

6

Work Step by Step

Multiply the absolute values. Since the number of negative factors is even the product is positive. $(−3)(-1)(+1)(+2)=|−3|\times|-1|\times|+1|\times|+2|=3×1×1\times2=6$
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