Answer
45
Work Step by Step
(-5)(-9)
Multiplying two negatives yields a positive answer
$5 \times 9$ = 45
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 2 - Section 2.3 - Multiplication and Division of Signed Numbers - Signed Numbers Drill 3 - Page 114: 2
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