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4! = 4*3*2*1 = 24 ways
The answer is 50P3 = 50*49*48/(3*2*1) = 117,600
4! 4 * 3 * 2 = 24 ways ==========
3! = 1 x 2 x 3 = 6 ways.
If you have three DIFFERENT letters, you can arrange them in 3! = 1 x 2 x 3 = 6 different ways.