SOLUTION: Write as a single logarithm: 5 logb x-7 logb Y

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Question 60475: Write as a single logarithm:
5 logb x-7 logb Y
Answer by 303795(602) About Me  (Show Source):
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Multiplying the log of x by 5 is the same as finding the log of x^5.
Multiplying the log of y by 7 is the same as finding the log of y^7.
Subtracting the logs is the same as finding the log of (the first number divided by the second number)
ie
5+logb+x-7+logb+Y+=+logb+%28x%5E5%2Fy%5E7%29