Answer
$ 64 y^{18} z^{21}$
Work Step by Step
$(4y^6z^7)^3 = (4)^3(y^6)^3(z^7)^3 = 64 y^{18} z^{21}$
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.