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Mathematics, 22.09.2019 10:30 tristansanders0126

What is the sum of the first five terms of a geometric series with a1 = 20 and r = 1/4?
express your answer as an improper fraction in lowest terms without using spaces.

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What is the sum of the first five terms of a geometric series with a1 = 20 and r = 1/4?
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