Saltorremargavenviz
Answered

Give your own example of problem or situation in real life that involves permutation.

1.situation or problem

2.solve the problem​

Sagot :

20 want to joined the dance competiton but 5 are headed, how many ways can adjucator choose to them?

P=(20,5)

=20!

––––

(20-5)!

=20!

––––

15!

=20·19·18·17·16·15

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15

*cancel both 15

P=97,920 ways