Answer
$\frac{1}{4}$, or (D)
Work Step by Step
$\sqrt[4] n = 2, n^{0.25}=2$
Use the rules of exponents to isolate $n$.
$(n^{0.25})^4= 2^4, n = 16.$
$n^{\frac{-1}{2}} = \frac{1}{\sqrt{n}}=\frac{1}{\sqrt{16}} = \frac{1}{4}$
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
End-of-Course Assessment - Page 964: 7
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