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If the letters a, b, c, d, e, and f are to be used in a five-letter code, how many different codes are possible if repetitions are not permitted?

If the letters a, b, c, d, e, and f are to be used in a five-letter code, how many different codes are possible if repetitions are not permitted?
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If the letters a, b, c, d, e, and f are to be used in a five-letter code, how many different codes are possible if repetitions are not permitted?

asked
User Lari
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7.7k points

1 Answer

1 vote
It's (6•5•4•3•2) which is 720 of them.
answered
User Adrian Clark
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8.1k points
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