Answer
$$27 x^6.$$
Work Step by Step
We simplify using the exponent rule:
$(x^a)^b=x^{ab}$
$$(3x^2 )^3=3^3x^6=27 x^6.$$
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.