[tex]6\sqrt{64}=6*8=48\\\\3\sqrt{7^2*7*7^3}=3\sqrt{7^6}=3*7^3=3*343=1029\\\\\frac{\sqrt[4]{32}}{\sqrt[3]{2}}=\sqrt[4]{\frac{32}2}=\sqrt[4]{16}=2[/tex]
