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Mathematics 15 Online
OpenStudy (anonymous):

if log3(4 approx. 1.2619),evaluate log3 (.25) PLEASE HELP!!

OpenStudy (phi):

Does it help to know that \[ 4^{-1} = 0.25 \]

OpenStudy (anonymous):

i dont know how to do this :/

OpenStudy (phi):

and \[ log(a^{b})= b \cdot log(a) \]

OpenStudy (anonymous):

what do u do though?

OpenStudy (phi):

in your second equation \[ log_3(0.25) \approx 1.2619 \] replace 0.25 with \( 4^{-1} \) then look at the second "rule" I posted and see if it matches

OpenStudy (anonymous):

i get it now thank you

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