Question

There are 10 students campaigning to be class representatives. How many different groups of three students could be elected?

Answer 1

pick 3, divide 3!

Answer 2

pick 3
10 . 9 . 8

Answer 3

divide 3!

3 . 2

Answer 4

\(\huge \frac{10 . 9 . 8}{3 . 2}\)

Answer 5

thats right

Answer 6

I got 120, I think that's right because it's an answer choice

Answer 7

thats right !! very good work :)