Question

A department store has 8 LED television models and will display 3 of them from left to right on a wall. In how many ways can the models be displayed on the wall?

Answer 1

336 ways

Explanation:

8C3 × 3!

336

Answer 2

336 ways

Explanation:

There are 8 choices for the first spot.

We put one there. Now there are 7 tv's left

There are 7 choices for the first spot.

We put one there. Now there are 6 tv's left

There are 6 choices for the first spot.

8*7*6 =336