SOLUTION: There are twenty bikers who joined the race. In how many possible ways can they be arranged as first, second,third,and fourth placers?

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Question 1177688: There are twenty bikers who joined the race. In how many possible ways can they be arranged as first, second,third,and fourth placers?
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.

    In  20*19*18*17 = 116280  ways.

Solved, answered and completed.