How old do you have to be to work at Edible Arrangements?

How many different arrangements of 9 letters can be formed if the first letter must be work repeats of letters are allowed?

  • Answer:

    Assuming you mean 26 letters of the alphabet, and not case sensitive: The first letter is 1 of 2 The 2nd is 1 of 26 The 3rd is 1 of 26 . . . The 9th is 1 of 26 --> 2*26^8 =~ 4.1765E11

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