Answer
$3 \sqrt[3]{2}$.
Work Step by Step
The given expression is
$=\sqrt[3]{54}$
Factor as cube terms.
$=\sqrt[3]{27\cdot 2}$
Use product property of cube roots.
$=\sqrt[3]{27}\cdot \sqrt[3]{2}$
Use $27=3^3$.
$=\sqrt[3]{3^3}\cdot \sqrt[3]{2}$
Simplify.
$=3 \sqrt[3]{2}$.
