Use summation notation to write the series 2.2 + 8.8 + 15.4 +…. for 5 terms

Question

Note: In each of these images, the lower limit of the summation notation is either "n = 1" or "n = 0".
1. QG13_2A

2. QG13_2B

3. QG13_2C

4. QG13_2D

Answer 1

The series 2.2 + 8.8 + 15.4 + … for 5 terms can be represented using summation notation as:

∑_(n=1)^5 (6.6n - 4.4)