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catgirl17

  • 2 years ago

find the number of distinguishable permutations of the letters LUCKY.

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  1. catgirl17
    • 2 years ago
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    how did you get that?

  2. satellite73
    • 2 years ago
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    which of course does not mean the answer is emphatically 5 but means \[5!=5\times 4\times 3\times2\]

  3. satellite73
    • 2 years ago
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    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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