Answer
$ \frac{15}{16}$
Work Step by Step
$1^{-3} - 4^{-2} = \frac{1}{1^3} - \frac{1}{4^2} = 1 - \frac{1}{16} = \frac{15}{16}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Appendix A - Exercise Set - Page 975: 10
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