9 values for each digit, order matters: 123 is different than 321, and no repetion
9*8*7 = 504
Look at a simpler example, with 1, 2, 3:
123
132
213
231
312
321
6 numbers
3*2*1 = 6
Answer:
3
Step-by-step explanation:
You have to have a better question to answer that, 100 feet more what?
