Question 881767
Use these <a href="http://www.purplemath.com/modules/logrules.htm">log rules</a> log rules to get



{{{3log((m))+5log((p))-7log((n))}}}



{{{log((m^3))+log((p^5))-log((n^7))}}}



{{{log((m^3*p^5))-log((n^7))}}}



{{{log(((m^3*p^5)/(n^7)))}}}