Question

You own 4 hats and are taking 2 on vacation. In how many ways can you choose 2 hats from the 4?

a. 6

b. 24

c. 12

d. 1

Answer 1

4 choices * 3 choices = ?

Answer 2

so it's 12? i thought that but don't you have to divide it by two because you have to choose 2 hats?

Answer 3

hm

Answer 4

combination formula is giving me 6

Answer 5

actually, yes, it should be 6 since the order is not important

Answer 6

4!/2!/(4-2)! = 4!/4 = 3! = 6

Answer 7

the 4 *3 method only works for permutations

Answer 8

thank you