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What do I do when log x is equal to a number?

 Aug 28, 2015

Best Answer 

 #2
avatar+118608 
+5

 

$$\\log x=y\\
then\\
x=10^y\\\\
eg\\
logx={17}\\
x=10^{17}$$

.
 Aug 29, 2015
 #1
avatar
+5

What do I do when log x is equal to a number?

Well, it means you got the answer that you wanted!!!!.

"Log" is just another name for "exponent"

10^2. In this case 2 is the Log or Exponent of 10;

So, if we had 10^x=100. To find x, we take the log of both sides;

so, Log(10^x)=Log(100)

We isolate x Log 10=Log(100)

x * 1=2,  or x=2/1=2

 Aug 28, 2015
 #2
avatar+118608 
+5
Best Answer

 

$$\\log x=y\\
then\\
x=10^y\\\\
eg\\
logx={17}\\
x=10^{17}$$

Melody Aug 29, 2015

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