Find the sum of the first 7 terms of the geometric series -3, 6, -12, …

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Find the sum of the first 7 terms of the geometric series -3, 6, -12, …

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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the pattern is multiplying each number by -2... so carry on after -12.
after you get to the 7th term, just add all the numbers together
I have to find the sum

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yeah after you find the 7th term by multiplying by -2 then you add all the numbers together to find the sum
-3, 6, -12 what's -12 times -2? it's 24. -3,6,-12,24 24 times -2? it's -48 -3, 6, -12, 24, -48 -48 times -2? it's 96 -3, 6, -12, 24, -48, 96 96 times -2? it's -192 -3, 6, -12, 24, -48, 96, -192 now add all 7 of those together to get the sum

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