Question

Qual o resultado de: (-36 m³n²) : ( 4 mn ) ? *
1 ponto
a) -9m²n
b) 9m²n
c) 9mn²
d) -9mn²

Answer 1

Resposta:

$(-36 m^3n^2):(4mn)\\\\=\frac{-4\cdot \:9m^3n^2}{4mn}\\\\=\frac{-9m^3n^2}{mn}\\\\=\frac{-9m^2n^2}{n}\\\\=-9m^2n$