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anonymous 4 years ago find the number of distinguishable permutations of the letters LUCKY.

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1. anonymous

how did you get that?

2. anonymous

which of course does not mean the answer is emphatically 5 but means $5!=5\times 4\times 3\times2$

3. anonymous

5 choices for first letter 4 choices for second 3 choices for third 2 choices for 4th 1 choice for last counting principle says number of way to do this together is the product of the number of ways to do each one

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