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22 Combinations of 5 Evaluate the combination:
22C5
Combination Definition:A unique order or arrangement
Combination Formula:nCr = n! r!(n - r)!where n is the number of items
r is the unique arrangements.
Plug in n = 22 and r = 522C5 2 22! 5!(22 - 5)!
Factorial Formula:n! = n * (n - 1) * (n - 2) * .... * 2 * 1
Calculate the numerator n!:n! = 22!
22! = 22 x 21 x 20 x 19 x 18 x 17 x 16 x 15 x 14 x 13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 Read More...