How many different seating arrangements are there for 5 students in 5 seats?
60 80
100 120

Question

How many different seating arrangements are there for 5 students in 5 seats?
60		80
100		120

inkyvoyd · Answer

Hint: order matters
You are looking for 5P5

anonymous · Answer

like how do i do it cause i don't know!!

inkyvoyd · Answer

Ok.
5 choices for dude 1, 4 choices for dude 2 (because dude 1 took up a chioc), 3 choices for dude 3 (cause dude 1 and dude 2 took up 2 choices), 2 choices for dude 4 (cause dudes 1-3 took up 3 choiecs), and only one choice for dude 5 (because dudes 1-4 took up all the other seats). Then, we multiply the choices for each dude and get our anser

anonymous · Answer

so 5x4x3x2x1?

inkyvoyd · Answer

Yup.

anonymous · Answer

thanks these questions keep comfusing me