Question

Resolva a expressão: (1/5)^-2. (2/3)^3 + 3^-2 . 3^5

Answer 1

Olá, boa tarde ☺

Resolução:

$\left( \dfrac{1}{5} \right)^{-2} \times \left( \dfrac{2}{3} \right)^{3} + 3^{-2} \times 3^5 \\ \\ \\ 25 \times \dfrac{8}{27} + 3^{-7} \\ \\ \\ \dfrac{200}{27} + 27 \\\ \\ \\ \boxed{\dfrac{929}{27} }$

Resposta: 929/27

Bons estudos !

Answer 2

351/243

Explicação passo-a-passo:

(2/1)²-2.׳/3³+1/3².243

2²/1²-2.8/27+1/9.243

2/1-(2×8)/27+(1.9)/243

2/1-16/27+9/243

MMC= 243

486-144+9/243

351/243