At a competition with 6 runners, medals are awarded for first, second, and third places. each of the 3 medals is different. how many ways are there to award the medals? decide if this is a permutation or a combination, and find the number of ways to award the medals. o a. permutation; number of ways = 20 o o b. combination; number of ways = 20 c. permutation; number of ways = 120 o d. combination; number of ways = 120 submit