Question

2) O valor de [27 .210.2]2 : (25 ) 7 é: a )8 b) 6 c) 4 d) 2 e) 0

Answer 1

Explicação passo-a-passo:

$\sf [2^7\cdot2^{10}\cdot2]^{2}\div(2^5)^7$

$\sf =[2^{7+10+1}]^{2}\div2^{5\cdot7}$

$\sf =[2^{18}]^{2}\div2^{35}$

$\sf =2^{18\cdot2}\div2^{35}$

$\sf =2^{36}\div2^{35}$

$\sf =2^{36-35}$

$\sf =2^1$

$\sf =2$

Letra D