Question

Сократить дробь ((2x)^2)/x^-15)*((x^-9)/5x^8)

Answer 1

$frac{(2x)^2}{x^{-15}}cdot frac{x^{-9}}{5x^8}=frac{4}{5}cdot x^2cdot x^{15}cdot x^{-9}cdot x^{-8}=frac{4}{5}cdot x^{2+15-8-9}=0.8$