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Mathematics 15 Online
OpenStudy (unknownrandom):

Can someone help me evaluate this logarithmic expression?

OpenStudy (unknownrandom):

|dw:1398306661927:dw|

OpenStudy (anonymous):

write \(\frac{1}{32}\) as a power of \(2\) i.e. write \(\frac{1}{32}=2^n\) for some \(n\) (it will be negative) then your answer is \(n\) as what you are trying to solve in exponential form is \[2^n=\frac{1}{32}\]

OpenStudy (unknownrandom):

Do I not need to break them down to the same base number?

OpenStudy (unknownrandom):

@satellite73

OpenStudy (anonymous):

i am not sure what "them" means in this context in inequivalent exponential form \[\log_2(\frac{1}{3})=x\iff 2^x=\frac{1}{32}\] you are looking for \(x\) the number you would raise 2 to the power of to get \(\frac{1}{32}\)

OpenStudy (anonymous):

typo there, i meant \[\log_2(\frac{1}{32})=x\iff 2^x=\frac{1}{32}\]

OpenStudy (unknownrandom):

I got -5. Is that correct?

OpenStudy (unknownrandom):

@satellite73

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