Question

Qual o valor de $\frac{2^{x} }{1024}$?

A
512

B
1 024

C
1

D
256

Answer 1

$4x - 10 = 2x + 10 \\4x - 2x = 10 + 10 \\ 2x = 20 \\ x = \dfrac{20}{2} = 10$

$\frac{ {2}^{x} }{1024} = \frac{ {2}^{x} }{ {2}^{10} } = {2}^{x - 10} = {2}^{10 - 10} \\ = {2}^{0} = 1$

Alternativa c