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kitkatt

  • 3 years ago

Find the value of each expression. 9P3 and10C4

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  1. Yahoo!
    • 3 years ago
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    nPr = n!/ (n-r)!

  2. Yahoo!
    • 3 years ago
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    nCr = n!/(r! * (n-r)! )

  3. kitkatt
    • 3 years ago
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    i am new to this please explain

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