You can put this solution on YOUR website! The definition of a logarithm is if and only if
A logarithm is basically the short form of this question: What power do raise my base to, to get X.
So for what power do raise 4 to, to get 16? 2. In log form this question would be written
Now with y to the z power = 5 my question is what power do raise my base (y) to , to get 5 and the answer is z and it's written as