Logarithm

A logarithm is the ability to which a number must be brought up so as to get some other number

Example 1

Log 100 = 2

Because

Example 2 

    How many 2 do we mutiply to get 16??

Answer: 2 × 2 × 2 x 2 = 16, so we needed to multiply 4 of the 2s to get 16

So the logarithm is 4

We write "the number of 2s we need to multiply to get 16s 4 as:

log₂(16)=4

Exercise :-