Answer
$\dfrac{5x^{3/4}}{7}$
Work Step by Step
Since $x^{-a}=\dfrac{1}{x^a}$, then,
\begin{align*}
\dfrac{5}{7x^{-3/4}}
\\\\=
\dfrac{5x^{3/4}}{7}
.\end{align*}
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Section 7.2 - Rational Exponents - Exercise Set - Page 424: 39
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