How much is log1/1000 ?
If it is Log(1/1,000), why are you having problems with it? Just take the Log of 1/1,000=Log(.001)= -3.
1/1000 = .001 = 10^-3 LOG (10^-3) = - 3
\(\frac{log1}{1000}\)
= 0
\(log(\frac{1}{1000})\)
= -3