Answer
$\frac{1}{125t^{3}}$
Work Step by Step
According to the negative exponent rule, $a^{-n}=\frac{1}{a^{n}}$.
Therefore, $(5t)^{-3}=\frac{1}{(5t)^{3}}=\frac{1}{5^{3}t^{3}}=\frac{1}{125t^{3}}$.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.