Question

2^2^3^X = 256, qual o valor do X?

Answer 1

$((2^2)^3)^x=256\\ (4^3)^x=256\\ 64^x=256\\ log(64^x)=log(256)\\ x=\frac {log(256)}{log(64)}\\ x= log_6_4 256\\ x= \frac{4}{3} \\ x=aproximadamente 1,3333333...$