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Mathematics 10 Online
OpenStudy (anonymous):

Find S20 for the geometric series 4 + 12 + 36 + 108 + … A. 5,034,043,187 B. 5,123,498,245 C. 6,973,568,800 D. 7,321,089,348 24. Find two geometric means between 4 and 13.5. A. 6, 9 B. 7, 11 C. 8, 12 D. 9, 14

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