A conference room has 4 doors. In how many ways can a person enter and leave the room by a different door?

Question

A conference room has 4 doors. In how many ways can a person enter and leave the room by a different door?

Answer 1

16

i think

do u no the answer??

<33

Answer 2

skip is the only one who gave the correct answer.

and i will give you the same correct answer: 12 ways

Answer 3

48

Answer 4

4*3*2*1= 24

Answer 5

There are 12 ways.  Go in the first door, and you can leave 3 ways.  Go in the second door, and you can leave 3 ways.  Go in the 3rd door, and you can leave 3 ways.  Go in the last door, and you can leave the room 3 ways.  3+3+3+3=12

Answer 6

16- you can go in all 4 doors, and go out all four doors 4 times-4x4= 16?

Answer 7

12. Enter one door and exit from the three remaining doors. There are 4 doors. 4 x3 =12.