Posted by Hannah on Tuesday, July 28, 2009 at 10:17pm.
use the properties of logarithms to simplify the logarithmic expression.
log10 (9/300)
Please explain!!

Math  DrBob222, Tuesday, July 28, 2009 at 10:44pm
Subtracting logs is the equivalent of dividing.
log 9  log 300 = ?? 
Math  Dr Russ, Wednesday, July 29, 2009 at 4:51am
I think they want you to show the two values as 9=3^2 and 300=3x10^2
so you have
log 3^2  log(3x10^2)
=2 log 3  (log3 + 2log10)
can you take it from here?