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Mathematics 16 Online
OpenStudy (anonymous):

How many different arrangements of the letters in the word SCHOOL are there? is it 720?

OpenStudy (anonymous):

divide it by 2 as there are two O

OpenStudy (lgbasallote):

SCHOOL has 6 letters O repeats twice so your permutation will be \[\frac{6!}{2!}\] so i dont think 720 is right..

OpenStudy (anonymous):

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