judgesmcleod judgesmcleod

09-02-2018
Mathematics

contestada

Evaluate. 9!/7!
A. 63
B=72
C=81

Respuesta :

04-07-2018

[tex]n!=1\cdot2\cdot3\cdot4\cdot...\cdot n\\\\\dfrac{9!}{7!}=\dfrac{7!\cdot8\cdot9}{7!}=8\cdot9=72\to B.[/tex]

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ethanpetersonxe ethanpetersonxe

14-01-2020

Answer:

72 is the answer

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