SOLUTION: For questions 1-6 determine whether each series is arithmetic or geometric. Then evaluate the series to the given term.
4. 42+55+68+...; S12
5. -20-12-4+4+...; S10
6. 2-6+
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Question 198400: For questions 1-6 determine whether each series is arithmetic or geometric. Then evaluate the series to the given term.
4. 42+55+68+...; S12
5. -20-12-4+4+...; S10
6. 2-6+18-54+...; S10
Answer by arallie(162) (Show Source): You can put this solution on YOUR website!
4. 42+55+68+...; S12=198 Arith
5. -20-12-4+4+...; S10=60 Arith
6. 2-6+18-54+...; S10=59051 Geo
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