Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 1 - Section 1.7 - Multiplication and Division of Real Numbers - Exercise Set: 1

Answer

$-45$

Work Step by Step

The product of two numbers with different signs can be found by performing the following steps: (1) Multiply their absolute values. $|5| \cdot |-9| = 5 \cdot 9 = 45$ (2) The product is negative. $5(-9) = -45$ Thus, the product of the given numbers is $-45$.
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