Well, if the base is 10 then you know that $\displaystyle \log 10 = 1$ and so the answer to the second question is plainly $\displaystyle \log 3$ since the 1's will cancel.
Well, if the base is 10 then you know that $\displaystyle \log 10 = 1$ and so the answer to the second question is plainly $\displaystyle \log 3$ since the 1's will cancel.
ah yeah i see that but was not sure thanks for explaining it out