Answer
$\dfrac{8}{x^3}$
Work Step by Step
Using the laws of exponents, the given expression, $
(4x^{-5})(2x^2)
,$ simplifies to
\begin{array}{l}\require{cancel}
4(2)x^{-5+2}
\\\\=
8x^{-3}
\\\\=
\dfrac{8}{x^3}
.\end{array}
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