Answer
$7x^2y^3$
Work Step by Step
Using $x^a\cdot x^b=x^{a+b}$, the given expression, $
(-7y^2)(-x^2y)
,$ simplifies to
\begin{array}{l}\require{cancel}
(-7)(-1)x^{2}y^{2+1}
\\\\=
7x^2y^3
.\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.