Answer
$-16$
Work Step by Step
An exponent of $2$ means $4$ will appear as a factor twice.
Multiply $4$ by itself to obtain:
$-4^2= -(4 \cdot 4) =-(16)=-16$
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: 76
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