Question

Pfvr me ajudem a realizar essas expressões

Answer 1

Resposta:

$a) \: ( \frac{2}{3} ) \times ( - \frac{1}{5} ) \\ \\ \frac{2}{3} \times ( - \frac{1}{5}) \\ \\ - \frac{2}{15}$

$b) \: ( \frac{2}{3} ) \div ( - \frac{1}{5} ) \\ \\ \frac{2}{3} \div ( - \frac{1}{5} ) \\ \\ \frac{2}{3} \times ( - \frac{5}{1} ) \\ \\ - \frac{10}{3}$