Question

(3^7 * 5^5)^4/(5^4 * 3^6)^5

Answer 1

$\tt \cfrac{(3^7\cdot5^5)^4}{(5^4\cdot3^6)^5} =\cfrac{3^{28}\cdot5^{20}}{5^{20}\cdot3^{30}} =\cfrac{1}{3^2}= \cfrac{1}{9}$

Answer 2

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