Question

Can i get help with this log question??

Answer 1

you can write in the equivalent exponential form

Answer 2

\[\log(a)=b \text{ also known as } \log_{10}(a)=b \\ \text{ can be written as } 10^b=a\]

Answer 3

Please note that the 2 equations given in your illustration are equivalent.
What is it that you're solving for?

What have you tried so far?