Posted by Sabrina on Thursday, January 20, 2011 at 12:13pm.
if log6=m and log 5=n, write 7.2 as an expression in m and n
Answer is 2mn
Please help me!!

math log  Bosnian, Thursday, January 20, 2011 at 6:39pm
7.2=36/5
36=6*6
log(a+b=log(a)+log(b)
log(36)=log(6)+log(6)=2*log(6)
log(a/b)=log(a)log(b)
log(36/5)=2*log(6)log(5)
log(6)=m log(5)=n
log(36/5)=log(7.2)=2mn

math log  Bosnian, Thursday, January 20, 2011 at 6:43pm
Third row have typefeler
Correct formula is:
log(a+b)=log(a)+log(b)
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