Answer: 491400
Explanation:
Given : Total number of members in the club = 28
The number of positions = 4
Since no person can hold more than one office, so order matters here.
Therefore, we use permutations to find the number of ways are there to choose given 4 position holders.
The permutation of n things taken r at a time is given by :-
![^nP_r=(n!)/((n-r)!)](https://img.qammunity.org/2020/formulas/mathematics/high-school/h2s1x8ft69p3jm0m4ugmw4gh7ueyy8w6ep.png)
Then , the permutation of 28 things taken 4 at a time is given by :-
![^(28)P_4=(28!)/((28-4)!)=(28\tiimes27*26*25*24!)/(24!)=491400](https://img.qammunity.org/2020/formulas/mathematics/college/mp7nvqbf72mtfw4dsm7i030r66vbu2m19c.png)
Hence, there are 491400 ways to choose a president, vice president, secretary, and treasurer of the club.