Math (check answer plz)

simplify 9C4! . . . . . . . . . . . . . . . . . . . . . . A. 126 . B. 15,120 . C. 5 . D. 3,024******

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asked by ME
  1. I assume you mean 9C4

    9C4! = 0

    Anyway,

    9C4 = 9!/(5!4!) = 9*8*7*6 / 4*2*3*1 = 126

    9P4 = 9!/5! = 9*8*7*6 = 3024

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    posted by Steve
  2. thank you!

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    posted by Me
  3. hi

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  4. hi

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  5. Hey

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  6. hEY

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    posted by oof
  7. HEY!

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