Answer
-20
Work Step by Step
The numbers being multiplied have different signs, so their product will be negative.
$5\times(-4)=5\times-4=-20$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 9 - Basic Algebra - Review Exercises - Page 696: 40
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