Question 54967
Rules expressed as common logs:
1.{{{mlog(a)=log(a^m)}}}
2.{{{log(a)-log(b)=log(a/b)}}}
Express as a single logarithm:
{{{4log(A)-(1/2)log(B)-log(5C)}}} 
{{{log(A^4)-log(B^(1/2))-log(5c)}}} Rule 1
{{{log((A^4)/(B^(1/2)*(5C)))}}} Rule 2
Happy Calculating!!!