Answer:
491400
Explanation:
Given : A club has 28 members.
To Find : . How many ways are there to choose four members of the club to serve on an executive committee?
Solution:
We are supposed to choose four members of the club out of 28.
So, we will use combination
Formula :

n = 28
r = 4
Substitute the values :




Hence there are 491400 ways o choose four members of the club to serve on an executive committee