hectorcifuente
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  • 17-05-2018
  • Mathematics
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What is the number of different ways to order a 5-song playlist chosen from a selection of 12 songs?

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jdoe0001 jdoe0001
  • 17-05-2018
as far as I can tell is just a Permutation.

[tex]\bf _nP_r=\cfrac{n!}{(n-r)!}\qquad \qquad \qquad _{12}P_5=\cfrac{12!}{(12-5)!}[/tex]
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