Question

Use summation notation to write the series
6.6 + 15.4 + 24.2 +... for 5 terms.

Answer 1

\(\Large \color{purple}{\rightarrow \sum_{n = 1}^{5} (-2.2 + 8.8n) }\)

Answer 2

\[\sum_{n = 1}^{5}\] I meant