1selindik 1selindik

09-04-2020
Mathematics

contestada

in how many ways can the first and second place in a battle of the bands be arranged if 8 bands practice?

Respuesta :

RobertZein RobertZein

09-04-2020

Answer:

= 28

Solution:

C(n,r)=?

C(n,r)=C(8,2)

=8!(2!(8−2)!)

= 28

Answer Link

fieiedissuisis fieiedissuisis

09-04-2020

The correct answer would be 28

Answer Link

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