Question

$3 ^{5} * 5 ^{4} / 15 ^{3}$

Answer 1

(3^5 *5^4)/(3^3*5^3)=3^2 *5=45

Answer 2

$frac{3^55^4}{15^3}= frac{9*3^3*5*5^3}{3^35^3} =9*5=45$