Answer
$$3\sqrt[3]{2}x^2y$$
Work Step by Step
Using the rules of exponents, we find:
$$\sqrt[3]{54}\sqrt[3]{x^6}\sqrt[3]{y^3} \\ 3\sqrt[3]{2}x^{\frac{6}{3}}\sqrt[3]{y^3} \\ 3\sqrt[3]{2}x^2y$$
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