Answer
$0$
Work Step by Step
Note that $0^{n}=0$ , where $n$ is any non negative integer other than $0$
The given expression : $4xy^{2}0^{4}(-y)^{-3}=0$ X $4xy^{2}(-y)^{-3}=0$
(Since anything multiplied by 0 is 0)
Final result : $0$
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