[All Steps] Write the following sums in Sigma notation. 8+10+12+...+26 7+9+11+...+23 7+7 x+7 x^2+7 x^3+...+7
Question: Write the following sums in Sigma notation.
- \(8+10+12+\ldots+26\)
- \(7+9+11+\ldots+23\)
- \(7+7 x+7 x^{2}+7 x^{3}+\ldots+7 x^{n}\)
Deliverable: Word Document 
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