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Mathematics 9 Online
OpenStudy (anonymous):

evaluate the following: log49 7

myininaya (myininaya):

rewrite this using change of base

myininaya (myininaya):

49 can be rewritten how?

OpenStudy (anonymous):

7

OpenStudy (anonymous):

ln(7^2)/ln7

OpenStudy (anonymous):

then the 7's cancel?

OpenStudy (anonymous):

ln(not base)/ln(base)

OpenStudy (anonymous):

and exponents move to the outside of the ln. ln(x^y) =yln(x)

OpenStudy (anonymous):

i got it. thankyou

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