Answer
-16
Work Step by Step
To multiply two numbers with different signs, multiply the absolute values. Place a negative sign before the product.
$(-4)(+4)=-(|-4|)(|+4|)=-(4)(4)=-16$
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: 26
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