Question

How do you solve `10^x=30`?

Answer 1

`x=log_10 30 ~~ 1.477`

Explanation:

`log_b p = q` is equivalent to `b^q=p`

Therefore
`10^x=30` is equivalent to `log_10 30 = x`

`log_10 30` can be evaluated using a calculator as `~~1.477`