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3 years ago

6

Hong has been given a list of 6 bands and asked to place a vote. his vote must have the names of his favorite and second favorit

e bands from the list. how many different votes are possible?

1 answer:

mixas84 [53]3 years ago

7 0

This requires us to find the number of permutations of 6 different bands taken 2 at a time:
$6P2=\frac{6!}{(6-2)!}=30\ different\ votes.$

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