There are 4 store fronts on the ground floor of a shopping center.

One of four stores will go in each store front – a pharmacy, grocery, barber shop, and coffee shop.
How many different possibilities are there for arranging the shops in the storefronts?

1 answer

The first one has 4 choices
The second one has 3
the third one has 2
and the last one is stuck with the last one.
4*3*2 = 4!