Express the Sum Using Summation Notation $$3 + 6 + 9 + \ldots + 27$$

question 81

Multiple Choice

Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.
- $$3 + 6 + 9 + \ldots + 27$$

• A) \(\sum _ { i = 1 } ^ { 9 } 3 i ^ { 2 }\)
• B) \(\sum _ { i = 0 } ^ { 9 } 3 i\)
• C) \(\sum _ { i = 1 } ^ { 9 } 3 i\)
• D) \(\sum _ { i = 1 } ^ { 9 } i ^ { 2 }\)

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Definitions:

Political Realism

A theory in international relations focusing on power, self-interest, and the pragmatic aspects of politics, often prioritizing national security and interests over ideological concerns.

Allied Foreign

Countries or entities that are united with others through formal agreements, such as treaties, often for mutual defense or shared objectives.

Non-Democratic

Pertaining to a government or political system that does not follow the principles of democracy, often lacking free and fair elections or representation.

Ethnic Conflicts

Conflicts between different ethnic groups, often arising from issues of discrimination, cultural differences, or historical grievances.