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How many ways can you choose 3 students from a group of 15?A)B)455C)910D)2730?

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How many ways can you choose 3 students from a group of 15?A)B)455C)910D)2730?

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  1. 455

    15! / 12! 3!


  2. D. 15*14*13=2730

  3. I think it's 455. I'm not sure though



  4. Do this with a combonation, because order within each group doesnt matter.

    15C3 = 15! / (3!*12!) = 455
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