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How many words are possible using the letters in the word *APPLE*. a)the letters may not be repeated. b)the letters may be repeated.
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a) we have 5 spots to fill for the first spot we have 5 letters for the second we have 4 letters, for 3rd 3 for 4th 2 and for 5th we have 1 so 5*4*3*2*1= 120 ways
what length of words do you want for b?
and for a) it is 5!/2 because of the 2Ps
@dan815 It says letters should not be repeated.
yes which is why u divide by 2
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@dan815 don't get you,wasn't @Farheen28 right?
no
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