Question

6) а²b³, якщо а=3\5; b=−1 2\3

Answer 1

Ответ:

$( \frac{3}{5} ) {}^{2} \times ( - 1 \frac{2}{3} ) {}^{3} = \frac{9}{25} \times ( - \frac{5}{3} ) {}^{3} = \\ \frac{9}{25} \times ( - \frac{125}{27} ) = - \frac{5}{3} = - 1 \frac{2}{3}$