catgirl17 2 years ago find the number of distinguishable permutations of the letters LUCKY.

1. catgirl17

how did you get that?

2. satellite73

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

3. satellite73

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