jammyn17 jammyn17
  • 13-01-2020
  • Mathematics
contestada

find the value of 9!/ (9-2)!

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Respuesta :

gmany
gmany gmany
  • 13-01-2020

Answer:

72

Step-by-step explanation:

[tex]n!=1\cdot2\cdot3\cdot...\cdot n\\\\\dfrac{9!}{(9-2)!}=\dfrac{9!}{7!}=\dfrac{7!\cdot8\cdot9}{7!}\qquad\text{cancel}\ 7!\\\\=8\cdot9=72[/tex]

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noriegaevelyn45 noriegaevelyn45
  • 19-05-2021

Answer:

72

Step-by-step explanation:

Answer Link

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