Question: Question 5: (20 Points) a) Express sums using summation notation 22 + 23 + 24+ 25 + 26 + 27 + 28 ( 7 points)

Question 5: (20 Points) a) Express sums using summation notation 22 + 23 + 24+ 25 + 26 + 27 + 28 ( 7 points) b) Let {sn; be a geometric sequence that starts with an initial index of 0. The initial term is 16 and the common ratio is 1/2. What is s3? (6 points) c) Consider the arithmetic sequence: 7, 4, 1, ..... What is the next term in the sequence? (7 points)
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