SOLUTION: Hi! Hoping you can help! Working on Advanced Algebra....notes aren't helping and I can't remember how to do these problems. log3 9 + log3 27 instructions are to Express as a

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Hi! Hoping you can help! Working on Advanced Algebra....notes aren't helping and I can't remember how to do these problems. log3 9 + log3 27 instructions are to Express as a       Log On


   

Question 299082: Hi!
Hoping you can help! Working on Advanced Algebra....notes aren't helping and I can't remember how to do these problems.
log3 9 + log3 27
instructions are to Express as a single logarithm and simplify if possible!
thank you!!!!
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
log3 9 + log3 27
Adding the logs same as multiplying
log3(9*27) = log3(243); a single logarithm
;
Exponent equiv of logs
log3(243) = y
3^y - 243
:
What power of 3 is 243
y = 5
;
therefore
log3(243) = 5