Question

frac{(4 x y^{3})(3 x^{2}y)^{6} {(6x ^{3}y ^{2})^{4}

Answer 1

$4xy^3(3x^2y)^6(6x^3y^2)^4=4xy^3(3^6x^{12}y^6)(6^4x^{12}y^8)=\\=4cdot 3^6cdot 6^4cdot x^{25}y^{17}$