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Solve the following: 9 P 3 c.

Solve the following:
a. 20!/17!
   9P 3   
  7C 2


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a. 20!/17!=6840 b.... View the full answer

A. 20!/17! = (20*19*18*17!)/17! = 20*19*18 = 6840 B. 9 P 3 = 9!/(9-3)!... View the full answer

1 comment
  • To answer these question, we have to consider factorials, permutations and combinations. Please let me know if you would like more information.
    • JEWooden
    • Jul 20, 2016 at 10:51am

The way to approach this... View the full answer

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