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Staggering Digits (Posted on 2016-07-28) Difficulty: 3 of 5
Find the last three digits of this number:

97532

*** For an extra challenge, solve this puzzle without using a computer program.

No Solution Yet Submitted by K Sengupta    
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Solution | Comment 1 of 4
It is 9^210

9^10 last three are 401

401^5 last three are 001.

9^50, 9^100, 9^150, 9^200 last three are 001.

So last three of 9^210=9^200*9^10 are 401 

Edited on July 28, 2016, 12:58 pm
  Posted by armando on 2016-07-28 12:34:14

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