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Question 18 5 pts Which statement is true about the geometric series below? 1 + 3 + 9 + 27+... The sum is 54 for this infinite series because |r| 1. There is no sum for this infinite series because |r| > 1. Question 19 5 pts Which statement is true about the series below? + 16 This series is geometric because it decreases by a common ratio. The series does not have a finite sum. This series is geometric because it decreases by a common ratio. The series will have a finite sum. This series is arithmetic because it decreases by a common difference. The series will have a finite sum. This series is arithmetic because it decreases by a common difference. The series does not have a finite sum