Mathematics, 17.10.2019 04:50 starfox5454

Find the number of permutations of the first 8 letters of the alphabet taking 2 letters at a time.

need ! crown for who gets it right!
a 56
b 336
c 6720
d 20,160

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Find the number of permutations of the first 8 letters of the alphabet taking 2 letters at a time.

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