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what is 7 to the power of 2015

Guest Mar 2, 2015

Best Answer 

 #3
avatar+17745 
+10

Although this calculator says "infinity", you can get a better answer by using logs.

Let  x  =  72015

Then  log(x)  =  log(72015)

--->   log(x)  =  2015┬Ělog(7)

--->   log(x)  =  1702.87   (approx)

--->   x  =  101702.87

Since 10.87 is approximately 7, 

the value is a 7 followed by 1702 zeros (approximately).

geno3141  Mar 2, 2015
 #1
avatar
0

7 to the 2015 power is infinity

Guest Mar 2, 2015
 #2
avatar+90056 
+5

Not infinity.......just REALLY big  !!!

 

CPhill  Mar 2, 2015
 #3
avatar+17745 
+10
Best Answer

Although this calculator says "infinity", you can get a better answer by using logs.

Let  x  =  72015

Then  log(x)  =  log(72015)

--->   log(x)  =  2015┬Ělog(7)

--->   log(x)  =  1702.87   (approx)

--->   x  =  101702.87

Since 10.87 is approximately 7, 

the value is a 7 followed by 1702 zeros (approximately).

geno3141  Mar 2, 2015
 #4
avatar+93691 
0

Thanks Geno, I must try and remember this technique. :)

Melody  Mar 3, 2015

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