There are 10 students in a class and 10 chairs, numbered 1 through 10. In how many different ways could all 10 chairs be filled?

Question

 halp

Answer 1

Guchi,

If there are 10 to pick from for the first chair, once it is filled there are 9 to pick from for the second chair. Then 8 for the third and so on. So the answer is by solving 10! = 10*9*8*7*6*5*4*3*2*1 = 3,628,800