ANSWER:
B. 40,320
STEP-BY-STEP EXPLANATION:
We have that there are 8 options for the first space, 7 for the next, 6 for the next and so on up to 1.
Therefore, we must multiply all the options for each space, just like this:
[tex]8\cdot7\cdot6\cdot5\cdot4\cdot3\cdot2\cdot1=40320[/tex]Which means there are 40320 different ways