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
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 2 - Review - Page 133: 16
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