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OpenStudy (anonymous):
How many combinations of a president, vice-president, secretary, and treasurer can be chosen from a group of 12 students?
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OpenStudy (anonymous):
12 x 11 x 10 = 1320
OpenStudy (anonymous):
little kay has the correct methodology here but im pretty sure you forgot the treasurer. so 12x11x10x9 because each time she picks one student she has n-1 left to pick from....
OpenStudy (anonymous):
11,880 95,040 665,280 3,991,680 these are the options
OpenStudy (anonymous):
1320*9=11880
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