Answer
$\frac{1}{16}$.
Work Step by Step
The given expression is
$=4^{-2}$
Use the law of exponents $a^{-b}=\frac{1}{a^b}$
$=\frac{1}{4^{2}}$
Use $4^2=16$.
$=\frac{1}{16}$.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Appendix A - Review - A.1 Algebra Essentials - A.1 Assess Your Understanding - Page A12: 87
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
