​ Simplify. 27x15y24−−−−−√3

$\sqrt[3]{27x^{15}y^{24}}$

$=\,\sqrt[3]{3^3x^{15}y^{24}} \\~\\ =\,3^{\frac33}x^{\frac{15}{3}}y^{\frac{24}{3}} \\~\\ =\,3x^5y^8$         If  x  and  y  are positive...