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harina [27]
3 years ago
15

How many different arrangements of 5 letters can be made from the 26 letters of the alphabet?

Mathematics
1 answer:
VikaD [51]3 years ago
5 0
Answer: P(26,5).

That is all the possible combinations of 5 letters made out from 26 letters.

That is 26! / [ 5! ( 26 - 5)! ] = 26! / [5! 21! ] = 26*25*24*23*22*21! / [ 5! 21!] =

= 26*25*24*23*22 / [5*4*3*2*1] = 65,780 arrangements.


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