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Eleven students are participating in a race. In how many ways the first 5 prizes can be won?
(2) 55440
Yes, it is
, as there are:
11 students who can win 1st prize
10 students who can win 2nd prize
9 students who can win 3rd prize
8 students who can win 4th prize, and
7 students who can win 5th prize