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: 77

Answer

$\dfrac{1}{16}$

Work Step by Step

RECALL: $a^{-m} = \dfrac{1}{a^m}, a \ne 0$ Use the rule above to obtain: $4^{-2} = \dfrac{1}{4^2}=\dfrac{1}{16}$
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