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20. In how many different ways can seven keys be arranged on a key ring if the keys can slide completely around the ring?

20. In how many different ways can seven keys be arranged on a key ring if the keys can slide completely around the ring?
asked 35.3k views
4 votes
20. In how many different ways can seven keys be arranged on a key ring if the keys can slide completely around the ring?

asked
User Jannic Beck
by
8.7k points

1 Answer

7 votes
Keys can be arranged in 720
answered
User Toskv
by
8.1k points
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