Question

Помогите сократить дробь!!!!!!!!!

Answer 1

$frac{2^{3n-4}5^{3n+4}}{10^{3n+2}}=frac{2^{3n}2^{-4}5^{3n}5^4}{2^{3n}2^25^{3n}5^2}}=frac{5^2}{2^6}=frac{25}{64}$