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Module 1: Geometric series

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Find the sum of a decreasing geometric sequence

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XSIQ
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Core Mathematics - Find the sum of a decreasing geometric sequence

Find the sum of a decreasing geometric sequence

The first squeeze of a wet sponge produces 81 ml of water. Each successive
squeeze produces only 1/3 of the water from the previous squeeze. How much
water is produced from 9 squeezes?

Find the sum to 9 terms (correct to 2 decimal places) of the series 81 +
27 + 9 + ........

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