Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 2 - Review - Page 133: 16

Answer

72

Work Step by Step

(-9)(-8) $9 \times 8$ = 72 If two negative numbers are multiplied together, it yields a positive number, so 72 will be positive
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