algebra2sucks
Evaluate the Logarithmic.
log(3) 81



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anonymous
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again your job is to solve \(3^y=81\) for \(y\)
if you know it, you are done

precal
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use change of base

anonymous
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change of oil maybe

ParthKohli
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\[\log_3{81} =\rm something\iff 3^{\rm something} = 81\]

precal
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dw:1357320013926:dw

precal
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dw:1357320089930:dw

precal
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dw:1357320112900:dwyou could also use the definition of a log

precal
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3 to what power will give you 81

algebra2sucks
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3 to the 4th powwer

precal
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dw:1357320318399:dwyes you are correct

algebra2sucks
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Thank you all!

precal
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yw