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A number to the 8th power divided by the same number to the 5th power equals 64. What is the number?

 Jan 4, 2017
 #1
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N^8 / N^5  = 64

 

N^[8 − 5]  = 64

 

N^3  = 64      cube root each side

 

N  =  3√64

 

N = 4

 

 

cool cool cool

 Jan 4, 2017

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