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Mathematics 22 Online
OpenStudy (anonymous):

how to solve: Fourteen gymnasts are competing in a national competition and will be ranked from 1 to 5. The top five gymnasts will then move on to the world competition. How many different ways can the top gymnasts be ranked?

OpenStudy (p0sitr0n):

14 people, five places 1st: 1/14 2nd: 1/13 3rd: 1/12 4th: 1/11 5th:1/10 Now, the number of ways is 1/14 x 1/13 x 1/12 x 1/11 x 1/10

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