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 - Signed Numbers Drill 3 - Page 114: 19



Work Step by Step

To multiply two numbers with different signs, multiply the absolute values. Place a negative sign before the product. $(1)(-13)=-(|1|)(|-13|)=-(1)(13)=-13$
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