The ways the first four finishers come in is 360 ways.
What is Permutation and Combination?
Permutation is the method of arranging all the elements of the set in order, Combination is the selection of elements from the set such that the order of selection does not matter.
A race has 6 automobiles.
The first finisher can come in ⁶C₁ = 6 ways
The second finisher can come in ⁵C₁ = 5 ways
The third finisher can come in ⁴C₁ = 4 ways
The fourth finisher can come in ³C₁ = 3 ways
The ways the first four finishers come in is given by
=> 6 * 5 * 4 * 3
=> 360 ways
To know more about Permutation and Combination
https://brainly.com/question/13387529
#SPJ2
