College Algebra (10th Edition)

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: 75

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.)
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