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单选题
The French Club consists of 10 members and is holding officer elections to select a president, secretary, and treasurer for the club. A member can only be selected for one position. How many possibilities are there for selecting the three officers?
A
30
B
27
C
72
D
720
E
90
参考答案
参考解析
解析:
There are 10 possible people that could serve as president. Once the president is chosen, there are 9 possible people that could serve as secretary, and once that person is chosen, there are 8 remaining people that could serve as treasurer. The total number of ways of selecting the three officers is 10×9 × 8=720.
There are 10 possible people that could serve as president. Once the president is chosen, there are 9 possible people that could serve as secretary, and once that person is chosen, there are 8 remaining people that could serve as treasurer. The total number of ways of selecting the three officers is 10×9 × 8=720.
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