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Mathematics 13 Online
OpenStudy (anonymous):

how would I solve this p(t) = –log10 t is p was 0

OpenStudy (anonymous):

Its for this assignment

OpenStudy (anonymous):

So you're solving \[0=-\log_{10}t\] for \(t\). \[0=\log_{10}t\] Raise both sides to the 10th power: \[10^0=10^{\log_{10}t}\] Any nonzero base to the zeroth power is 1. For the right side, use the property that \(\log_bb^a=a\): \[1=t\]

OpenStudy (anonymous):

but if you raise both sides to the tenth power wouldn't it be \[0^{10}\]

OpenStudy (anonymous):

@SithsAndGiggles

OpenStudy (anonymous):

Sorry, I used the wrong words there... I meant take both sides as the powers of 10. Sorry for the confusion

OpenStudy (anonymous):

its fine so I would use the change of base formula

OpenStudy (anonymous):

No you wouldn't need that here. You can directly solve for \(t\) in both equations of part (a). It's just a matter of removing the logarithm by using exponentiation.

OpenStudy (anonymous):

but if you raise both sides to the tenth power would It be this I'm sorry I'm not trying to argue with you or anything but I just don't seem to get it

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