Question

Упростите выражение:2,8m8n:(0,7m4n-2)

Answer 1

$2,8m^{8}n:(0.7m^{4}n^{-2})=4m^{8-4}n^{1-(-2)}=4m^{4}n^{3}$

Answer 2

$frac{2.8m^{8} n}{0.7m ^{4} n^{-2} } =4m ^{4} n ^{3}$