\nthroot{7}{x^{70} \cdot 2^{21}}

\nthroot{9}{3^{63} \cdot 5^{81}}

\sqrt{7^{12} \cdot 2^{6}}

\nthroot{6}{7^{12} \cdot 5^{24}}

\nthroot{10}{3^{90} \cdot 5^{60}}

\nthroot{7}{x^{63} \cdot 2^{63}}

\nthroot{9}{7^{90} \cdot y^{90}}

\nthroot{5}{3^{45} \cdot 2^{30}}

\nthroot{4}{x^{12} \cdot y^{32}}

\nthroot{3}{7^{27} \cdot 2^{6}}

\nthroot{6}{7^{24} \cdot 5^{30}}

\nthroot{4}{3^{28} \cdot 5^{12}}

\nthroot{3}{x^{27} \cdot y^{6}}

\nthroot{9}{x^{54} \cdot 2^{63}}

\nthroot{9}{x^{54} \cdot 2^{18}}

\nthroot{10}{7^{80} \cdot 2^{90}}

\nthroot{6}{x^{36} \cdot y^{36}}

\nthroot{10}{3^{20} \cdot 5^{30}}

\nthroot{3}{x^{9} \cdot y^{6}}

\nthroot{10}{x^{10} \cdot 5^{20}}

\nthroot{8}{7^{40} \cdot y^{72}}

\nthroot{9}{3^{63} \cdot y^{81}}

\sqrt{7^{4} \cdot 2^{8}}

\nthroot{8}{7^{40} \cdot 2^{16}}