Answer
$15\sqrt[3]{3}$
Work Step by Step
Using the properties of radicals that we know, we simplify:
$\displaystyle (\sqrt{5}\sqrt[3]{9})^2=5\sqrt[3]{9^2}=5\sqrt[3]{81}=5\sqrt[3]{27*3}=5\sqrt[3]{3^3*3}=5*3\sqrt[3]{3}=15\sqrt[3]{3}$
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.