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y = log x
If y = 10, then what is x?
 Dec 6, 2013
 #1
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if y = 10 and then x=log it can be written as 10*1 =10, 10log, or simply 10x which would be the better outcome.
 Dec 6, 2013
 #2
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y = log X
If y = 10, then what is X?

Hi Hazzer,
It would depend on what base your log is in but normally a base of 10 is implied
so your questions is

y = log 10X
Substitute 10 for y and you get
10 = log 10X

x=10 10

Another way to do it is as follows

10 = log 10X

10 10 = 10 log10X

10 10 = 10 log10X => X (The 10 and the log base 10 cancel each other out)
 Dec 7, 2013

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