Answer
$(-4)^2=16$
Work Step by Step
An exponent of $2$ means $-4$ will appear as a factor twice.
Multiply $-4$ by itself to obtain:
$(-4)^2= (-4)(-4) =16$
(The product of two negative numbers is positive.)
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter R - Section R.2 - Algebra Essentials - R.2 Assess Your Understanding - Page 27: 75
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