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

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asked Sep 2, 2018 10.3k views

2 Answers

Carloluis · Answer 1 · 2018-09-03T23:46:29+0000

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.

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

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