十个人，坐在十把椅子上。。把这句话译成英文，谢谢

10 individuals, sitting in a chair 10, all got up after other people's chairs to sit down, take the total number of law ?

十个人，坐在十把椅子上，全部起身后坐到别人的椅子上，共有多少种坐法？
There are ten people with ten chairs. How many ways are there for each person to sit on one chair?

Ten persons, sitting on ten chairs. They all rise, and sit on a different chair.

How many ways of sitting on the different chair are there?

简单扼要

there are ten people and ten chairs. how many ways of sitting when each sits on different chair?

Ten persons sit on ten chairs, one for each. Then they change their chairs mutually. How many methods to sit?

Ten men, sit on ten chairs