Express the Sum Using Summation Notation $$2 + 8 + 18 + \ldots + 50$$

question 68

Multiple Choice

Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.
- $$2 + 8 + 18 + \ldots + 50$$

• A) \(\sum _ { i = 1 } ^ { 5 } i ^ { 2 }\)
• B) \(\sum _ { i = 0 } ^ { 5 } 2 i ^ { 2 }\)
• C) \(\sum _ { i = 1 } ^ { 5 } 2 ^ { 2 } \mathrm { i }\)
• D) \(\sum _ { i = 1 } ^ { 5 } 2 i ^ { 2 }\)

---

Definitions:

Comparative Reasoning

A method of reasoning that involves comparing similarities and differences among entities or scenarios to draw conclusions.

Carpentry Tools

Instruments and devices designed specifically for woodworking and carpentry tasks, including cutting, shaping, joining, and finishing wood.

Spiritual Security

The concept of protecting a nation's non-material cultural values, religious beliefs, and moral principles to ensure its societal integrity and identity.