Question

There are 18 students in a class, and 6 of them will be chosen to go on a field trip. How many ways can these students be chosen?

Answer 1

Answer:

There are 18564 ways

Explanation:

We have the number of ways as:

$\begin{gathered} 18C6=\frac{18!}{(18-6)!6!}=\frac{18!}{12!6!} \\ \\ =18564 \end{gathered}$