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Mathematics
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OpenStudy (anonymous):
For questions 1–6 determine whether each series is arithmetic or geometric. Then evaluate the series to the given term. 1. 1 + 3 + 9 + ...; S8 (1 point) 2. 5 + 7 + 9 + ...; S8 (1 point) 3. 25 + 32 + 39 + ...; S12 (1 point) 4. 256 + 192 + 144 + ...; S7 (1 point) 5. 1 – 3 + 9 – 27 + ...; S10 (1 point) 6. –14 + (–7) + 0 + 7 + ...; S10 (1 point)
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