Answer
$\dfrac{1}{y^{50}}$
Work Step by Step
Using the laws of exponents, the given expression, $
(y^{10})^{-5}
,$ simplifies to
\begin{array}{l}\require{cancel}
y^{10(-5)}
\\\\=
y^{-50}
\\\\=
\dfrac{1}{y^{50}}
.\end{array}
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.