Question

How do you solve `1.05^t = 4.35`?

Answer 1

`t = 30.13` to 2dp

Explanation:

Take natural log of both sides.

`ln1.05^t = ln4.35`

Using exponent rule of logs, move the t in front:

`tln1.05 = ln4.35`

`t = (ln4.35)/(ln1.05)`

`t = 30.13` to 2dp