cmt10
contestada

winnnie has 7 soccer trophies she wants to display in a array. how many different arrays can she use

Respuesta :

She has 7 soccer trophies.

So lets assume she wants to display it in a straight line:

The 1st has 7 ways

The 2nd has  6 ways

The 3rd has  5 ways

The 4th has  4 ways

until the last.

Total = 7 × 6 ×5 × 4 × 3 × 2 × 1 = 5040 ways.