Question

resolva a expressão (1/5)².(2/3)^3+3^-2.3^5​

Answer 1

Explicação passo-a-passo:

primeiro resolver as potências

(1/5)² . (2/3)³ + 3-² . 3⁵ = 1/25 . 8/27 + 1/9 . 243

Agora resolvemos as multiplicacões

1/25 . 8/27 + 1/9 . 243 = 8/675 + 1/2187

agora efetuamos a soma

8/675 + 1/2187 = 18171/1476225