You have to answer 2 essay questions for an exam. There are 7 essays to choose from. How many different groups of 2 essays could you possibly choose?

Question

asked Feb 27, 2020 139k views

1 Answer

Andell · Answer 1 · 2020-03-04T02:12:44+0000

Answer:

21

Explanation:

As there are 7 essays to choose from and we need to choose 2 essays.

So , groups of 2 essays to choose from =
$7_{C_(2) }$

=
((7)(6))/(2)

= 21