Answer
$s' = 2t^{-2}-8t^{-3}$
$s' = -4t^{-3}+ 24t^{-4}$
Work Step by Step
$s= -2t^{-1} + \frac{4}{t^{2}}$
$s' = 2t^{-2}-8t^{-3}$
$s' = -4t^{-3}+ 24t^{-4}$
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