Question

Se 2^2^3^x = 256 , então x pertence ao intervalo
(A) [0; 1)
(B) (0; 2)
(C) [1; 2)
(D) (1; 3)
(E) (2; 3)

Answer 1

(2)^2^3^x = 256

2⁶ˣ = 2⁸

6x = 8

x = 1,333... =====> D) [1; 3)