SOLUTION: I'm learning logarithms and I'm awful at them could someone help me out? Please and thank you. -Problem 1- Expand the logarithmic expression: ln(3e^2) -Problem 2- Solve for

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: I'm learning logarithms and I'm awful at them could someone help me out? Please and thank you. -Problem 1- Expand the logarithmic expression: ln(3e^2) -Problem 2- Solve for      Log On


   



Question 865304: I'm learning logarithms and I'm awful at them could someone help me out? Please and thank you.
-Problem 1-
Expand the logarithmic expression: ln(3e^2)
-Problem 2-
Solve for x: log(x+9)+log(x)=1

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
-Problem 1-
Expand the logarithmic expression: ln(3e^2)
Multiply --> add logs
ln(3e^2) = ln(3) + ln(e^2)
= ln(3) + 2
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-Problem 2-
Solve for x: log(x+9)+log(x)=1
Adding logs --> multiply
log((x+9)*x) = 1
log((x+9)*x) = log(10)
x*(x+9) = 10
etc