Question

Solve for X:
Log 2 16 = X

A. 8
B. 256
C. 4

Answer 1

The logarithm of a number x with respect to base b is theexponent by which b must be raised to yield x. In other words, the logarithm of
x to base b is the solution y to the equation. b^y=x. It's our general formula.
Substitute in general formula our data. 2^x=16, therefore x=4.

Answer: C