Answer
$256$
Work Step by Step
Using order of operations, the given expression, $
2[(8-4)^5\div8]
,$ simplifies to
\begin{array}{l}\require{cancel}
2[(4)^5\div8]
\\\\=
2[1024\div8]
\\\\=
2[128]
\\\\=
256
.\end{array}
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