SOLUTION: Four married couples have brought 8 seats in a row for a concert. In how many different ways can they be seated a. with no restrictions? b. if each couple is to sit together?

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Question 474914: Four married couples have brought 8 seats in a row for a concert. In how many different ways can they be seated
a. with no restrictions?
b. if each couple is to sit together?
c. if all men sit together to the right of all women?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
a. 8! = 40,320
b. 4%21%282%21%29%5E4+=+4%212%5E4+=+384
c. 4!4! = 576