\nthroot{9}{3^{27} \cdot y^{90}}

\nthroot{7}{7^{21} \cdot y^{28}}

\nthroot{7}{x^{70} \cdot 5^{63}}

\nthroot{8}{7^{72} \cdot 5^{32}}

\nthroot{5}{x^{10} \cdot 5^{15}}

\nthroot{3}{x^{12} \cdot 5^{15}}

\nthroot{7}{x^{70} \cdot y^{28}}

\nthroot{7}{7^{21} \cdot y^{49}}

\nthroot{10}{3^{50} \cdot 5^{40}}

\nthroot{9}{3^{54} \cdot 2^{90}}

\nthroot{5}{x^{30} \cdot 5^{45}}

\nthroot{4}{7^{32} \cdot 5^{40}}

\nthroot{10}{7^{30} \cdot 2^{80}}

\sqrt{x^{16} \cdot 2^{4}}

\nthroot{6}{3^{42} \cdot 2^{18}}

\nthroot{3}{3^{18} \cdot 5^{6}}

\nthroot{8}{x^{40} \cdot 2^{32}}

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

\nthroot{7}{3^{56} \cdot 5^{56}}

\nthroot{7}{7^{42} \cdot y^{63}}

\nthroot{6}{7^{12} \cdot y^{54}}

\nthroot{4}{7^{32} \cdot 2^{20}}

\nthroot{3}{7^{3} \cdot 2^{12}}

\nthroot{4}{7^{16} \cdot 5^{20}}