Answer:
At a gymnastics meet, twenty gymnasts compete for first, second, and third place.
How many ways can first, second, and third place be assigned?
✔ 6,840
Third place has been announced. In how many ways can the remaining two places be assigned?
✔ 342
Third and second places have been announced. In how many ways can first place be assigned?
✔ 18
Explanation:
I did the assignment