Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 9 - Basic Algebra - Summary Exercises - Operations with Signed Numbers - Page 656: 5

Answer

63

Work Step by Step

-9(-7) Multiplication The factors have the same sign(both are negative). The product is positive. -9 * -7 = 63
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