How many different addresses are possible if each digit 0, 3, 4, and 8 is in each address?

Question

I have an Open Response that i got for homework and i just can't get the answer and i was wondering if i could have help.  Here is the problem:

Yolanda remembered that Valerie's street address had each of the four digits 0, 3, 4, and 8 in it, but she forgot the order of the digits.  Yolanda hopes to guess the correct order of the digts.  How many different addressea rare possible if each digit 0, 3, 4, and 8 is in each address?

Answer 1

sins yu hav exaktlee 4 digits...yuno its just em

digit 1...4 waes

digit 2...3waes

digit 3...2 waes

yu hav digit 4 kauz its the oenlee thang left

4*3*2*1=4!=24

Answer 2

24 is the answer