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

In how many ways can the first and second place in a battle of the bands be arranged if 8 bands practice?
asked 108k views
1 vote
in how many ways can the first and second place in a battle of the bands be arranged if 8 bands practice?

asked
User Kuzyn
by
8.3k points

2 Answers

6 votes
The correct answer would be 28
answered
User Ben Sidhom
by
8.0k points
5 votes

Answer:

= 28

Solution:

C(n,r)=?

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

=8!(2!(8−2)!)

= 28

answered
User Frinux
by
8.4k points
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