Answer to Question #12043 in Abstract Algebra for hanika maghirang

Question

dora decided to buy the tent in a nearby small merchandise store with four doors where she could enter. in how many ways can she enter and exit from the store if she could use different doors

Answer 1

There are four ways to enter the store and four ways to exit it. So, there are

N = 4*4 = 16

ways to enter and exit the store.