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Evaluate the following permutation
10P5
An order or arrangement
nPr = | n! |
(n - r)! |
where n is the number of items
r is the number of arrangements.
10P5 2 | 10! |
(10 - 5)! |
n! = n * (n - 1) * (n - 2) * .... * 2 * 1
n! = 10!
(n - r)! = (10 - 5)!
(10 - 5)! = 5!
10P5 = | 10 x 9 x 8 x 7 x 6 x 5! |
5! |
10P5 = | 10 x 9 x 8 x 7 x 6 x |
10P5 = 10 x 9 x 8 x 7 x 6