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9 students volunteer for a committee. How many different 2-person committees can be chosen? 72 36 362,880 1
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3 votes
9 students volunteer for a committee. How many different 2-person committees can be chosen?

72

36

362,880

1

User Alag
by
8.3k points

2 Answers

7 votes
The answer is 72, since for the first person, we have 9 choices.  The second choice, we have 8 choices.  Therefore, the answer is 8 times 9, which is 72.
User Carloluis
by
8.2k points
2 votes
it is definitely going to be 72

User Mohamed Ben HEnda
by
8.1k points
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