A group of 10 friends go to a movie theater to see a newly released film. The friends consist of five married couples. How many ways can they sit in 10 consecutive seats in the same row, if each...

Hi. Can I get help how to figure this out? Thanks.

Extracted text: A group of 10 friends go to a movie theater to see a newly released film. The friends consist of five married couples. How many ways can they sit in 10 consecutive seats in the same row, if each couple must sit together?