aallyfulmer aallyfulmer

24-05-2017
Mathematics

contestada

find the number of permutations on the first 12 letters taken 3 at a time

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apologiabiology apologiabiology

24-05-2017

slot method
12 in 1st slot
11 in 2nd slot
10 in 3rd slot

12*11*10=1210 possible permutations

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