BabyJah20 BabyJah20
  • 15-04-2018
  • Mathematics
contestada

There are 56 runners in a race. How many ways can the runners finish first, second, and third?

Respuesta :

jdoe0001 jdoe0001
  • 15-04-2018
[tex]\bf \stackrel{permutation}{_nP_r=\cfrac{n!}{(n-r)!}}\qquad \qquad _{56}P_3=\cfrac{56!}{(56-3)!}[/tex]
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