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How many integers between 25 and 250 (inclusive) are not perfect cubes?

 Oct 6, 2018
 #1
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The total  number of integers   =  250 - 25 + 1   = 226

 

And the perfect cubes  in this group are    27, 64, 125, 216   = 4

 

So...the number of integers that are not perfect cubes  =  [ 226 - 4 ] =  222

 

 

cool cool cool

 Oct 7, 2018

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