A certain lottery requires players to select 7 different numbers, in any order, from 1 to...

Question

Question

A certain lottery requires players to select 7 different numbers, in any order, from 1 to 56 inclusive. How many different se

Answer 1

Answer #1

Number of ways to select r items from n, nCr = n!/(r! x (n-r)!)

n = 56

r = 7

Number of ways to choose 7 numbers from 56 = 56C7

= 56!/(7! x 49!)

= 231,917,400

Answer 2

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