Question

How do you find the exact value of `log_3(81)`?

Answer 1

4

Explanation:

To find the value of `x = log_3 81` we need to find `x` such that

`3^x = 81`

Now

`3^1 = 3`
`3^2 = 9`
`3^3 = 27`
`3^4 = 81`

Thus `x=4`