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How many code variations can get with 2 digit numbers in 5 places like in some lottery.

Guest May 24, 2017
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Assuming that  we can write  1 as 01, 2 as 02...etc.   and there are " n " two digit numbers

 

The number of combinations  is  given by C (n , 5)

 

For instance.....choosing 5  numbers from 50  gives  C (50,5)  =

 

2,118,760  combinations (different possibilities)

 

 

cool cool cool

CPhill  May 24, 2017

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