A bicycle race has 8 contestants. How many ways can the contestants finish first, second, third, and fourth in the race? I don't get it

Question

anonymous · Answer

Solution

How many people can finish first? 8
How many people can finish second? 7 (A person cannot be first and second at the same time)
How many people can finish third? 6
How many people can finish fourth? 5
8*7*6*5=1680

another solution

Pick four contestants that will finish first to fourth. (8C4) Then, order them. (4!)

Solution using Permutation

8P4=8*7*6*5