SOLUTION: Log11 5 ÷ log11 15=? show solution without calculator

Question 1133471: Log11 5 ÷ log11 15=? show solution without calculator
Found 3 solutions by rothauserc, MathTherapy, greenestamps:
Answer by rothauserc(4718)   (Show Source): You can put this solution on YOUR website!
Use the log rule for product, that is
:
log base a (xy) = log base a (x) + log base a (y)
:
Log11 5 ÷ log11 15 = log11 (5 * 15) = log11 (75)
:
Use definition of logarithm
:
y = log11 (75)
:
75 = 11^y
:
y is the logarithm
:
y is approximately 1.8, that is, 11^1.8 = 74.9
:

Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!
Log11 5 ÷ log11 15=? show solution without calculator

The answer by the other person is WRONG!!
. Applying the CHANGE-OF-BASE rule, we get:
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Answer by greenestamps(13200)   (Show Source): You can put this solution on YOUR website!

Note for tutor @MathTherapy....

Right solution method, and right calculations; but you didn't write your final answer correctly....

might want to fix that
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