Question

Resolva a expressão

( 1 /5) ² × (2/3)³ + 1/9 × 243

Answer 1

$({ \frac{1}{5} })^{2} \times ( { \frac{2}{3} })^{3} + \frac{1}{9} \times 243 \\ = \frac{1}{25} \times \frac{8}{27} + 27 \\ = \frac{8}{675} + 27 \\ = \frac{(8 + 675 \times 27)}{675} \\ = \frac{16883}{675} \\ = 25.01$
espero ter ajudado