Respuesta :

apologiabiology
permutations
slot method
8 slots
1st slot has 8 choices
2nd has 7 because 1 went to first slot
3rd has 6
4th has 5
5th has 4
6th has 3
7th has 2
8th has 1

8*7*6*5*4*3*2*1=40320 ways
nobillionaireNobley
8 cards can be lined up in 8! = 40,320 ways.