Question

calcule:

a) 0,7 × (-10/3)

b) (-2/3) × (-4/5)


pfvr me mandem os calculos

Answer 1

A)

$0.7 \times ( \frac{ - 10}{3} ) = \\ \frac{7}{10 } \times \frac{ - 10}{3} = \\ \frac{ - 70}{30} = \frac{ - 7}{3} = - 2.333...$

B)

$( \frac{ - 2}{3} ) \times ( \frac{ - 4}{5} ) = \\ \frac{8}{15} = 0.533...$


^^ bons estudos