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What is the sum of the next three terms in the geometric sequence 1, 2, 4, ...?

 May 10, 2022
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Since it is a geometric sequence, ask yourself "What number times 1 will give you 2?"   --->  2

Again:  "What number times 2 will give you 4?"   --->   again, the answer is 2.

 

So, this is your common ratio; you can find all the rest of the terms by multiplying each preceding term by 2.

 May 10, 2022

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