How many combinations of a president, vice-president, secretary, and treasurer can be chosen from a group of 12 students?
2 answers:
Answer: 11,880
Step-by-step explanation:
nPr = n!/(n-r)!
12P4 = 12!/(12 - 4)!
12P4 = 12!/8!
9 * 10 * 11 * 12
(In case anyone else gotten confused like I did at first)
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