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What is the sum of the first eight terms of the geometric series 2 + 6 + 18 + 54 + … ?

What is the sum of the first eight terms of the geometric series 2 + 6 + 18 + 54 + … ?
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What is the sum of the first eight terms of the geometric series 2 + 6 + 18 + 54 + … ?

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User Arkh
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2+6+18+54+162+486+1458+4375=6561

you multiply the previous number by three to find the next value
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User Andy McKibbin
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