What is Log Base 2 of 8?

The below is the work with steps to find what is log base 2 of 8 shows how the input values are being used in the log base 2 functions. Formula:
log_b(x) = y, if b^y = x

Input:
x = 8
b = 2

Solution:
y = log₂ 8
= log₂ 2³
= 3 log₂ 2 = 3 x 1
log₂ 8 = 3
log₂(8) = 3