Answer
$-14k^{3}$
Work Step by Step
Using the laws of exponents, the given expression, $
7k^2(-2k)(4k^{-5})^0
,$ is equivalent to
\begin{array}{l}\require{cancel}
7k^2(-2k)(1)
\\\\=
-14k^{2+1}
\\\\=
-14k^{3}
.\end{array}
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