Answer each permutation problem completely with solution.
1. In a certain general assembly, three major prizes are at stake. In how many ways can the first,second, and third prizes be drawn from a box containing 20 names?
2. Eight basketball teams are competing for the top 4 standings to move up to the semi-finals. Find number of possible ways that they will be in first to 4th rank.
(Nonsense answer=reported)​