The appearances can be scheduled in 5040 different ways.
Given data;
At a variety show, eight performers will display their acts. One of them insists on being the evening's opening act. Should this request be approved?
To find different ways to schedule the appearances;
7! = 7*6*5*4*3*2*1
= 5040
This is done by the permutations.
5040 different ways are there to schedule the appearances.
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