SOLUTION: When you have an equation that is log8 4 + log8 16 and you have to solve in a single logarithim form. isnt just 4 * 16?

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: When you have an equation that is log8 4 + log8 16 and you have to solve in a single logarithim form. isnt just 4 * 16?      Log On


   

Question 458930: When you have an equation that is log8 4 + log8 16 and you have to solve in a single logarithim form. isnt just 4 * 16?
Found 2 solutions by math-vortex, Alan3354:
Answer by math-vortex(648) About Me  (Show Source):
You can put this solution on YOUR website!
Good thinking! Yes, when both logarithms have the same base, you use the product rule. So,
log[8] 4 + log[8] 16 = log[8] 64 because 4x16=64.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The base is the same for both, so you do just multiply.
log%288%2C4%29+%2B+log%288%2C16%29+=+log%288%2C64%29+=+2