Answer
$\dfrac{1}{t^{2}}$
Work Step by Step
Using the laws of exponents, the given expression, $
t^{-3}\cdot t
$, is equivalent to
\begin{array}{l}
t^{-3+1}
\\\\=
t^{-2}
\\\\=
\dfrac{1}{t^{2}}
.\end{array}
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