Answer
(a) 9
(b) 343
Work Step by Step
(a) $\sqrt[3] {27^2}=\sqrt[3] {(3^3)^2}=\sqrt[3] {3^6}=3^2=9$
(b) $\sqrt {49^3}=\sqrt {(7^2)^3}=\sqrt {7^6}=7^3=343$
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.