Sample Response: The sequence representing this situation is 64, 32, 16, 8, 4, 2, 1. The common ratio is 0.5 because only half of the wrestlers remain after each round. There are 7 rounds of matches until there is a single winner. Did your response include the following?the correct sequence with a1 = 64a description of the common ratio, r = 0.5the correct number of rounds, 7