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AnnZ [28]
3 years ago
7

Determine the sum of the first ten terms of the geometric series -1 + 2 - 4 + 8 + ...

Mathematics
1 answer:
lubasha [3.4K]3 years ago
6 0

Answer:

-1+2-4+8-10+12-14+16-18+20

=

-47+68

= +21

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