In how many ways can you arrange 9 performers in a row on the stage?
a. 81 ways
b...
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Mathematics, 05.10.2019 20:00, minervica
In how many ways can you arrange 9 performers in a row on the stage?
a. 81 ways
b. 45 ways
c. 362,880 ways
d. 40,320 ways
!
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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