Write the Given Series in Summation Notation $2 - 4 + 8 - 16 + 32 - 64 + 128$

question 121

Multiple Choice

Write the given series in summation notation. $2 - 4 + 8 - 16 + 32 - 64 + 128$

• A) \(\sum _ { i = 1 } ^ { 7 } 4 ^ { i } ( - 1 ) ^ { i }\)
• B) \(\sum _ { i = 1 } ^ { 7 } 4 ^ { i } ( - 1 ) ^ { i + 1 }\)
• C) \(\sum _ { i = 1 } ^ { 7 } 2 ^ { i } ( - 1 ) ^ { i + 1 }\)
• D) \(\sum _ { i = 1 } ^ { 7 } 2 ^ { i } ( - 1 ) ^ { i }\)
• E) \(\sum _ { i = 1 } ^ { 7 } 3 ^ { i } ( - 1 ) ^ { i }\)

Recognize the criteria for classifying countries based on income levels and identify examples of low-income countries.

Assess the factors contributing to and challenges faced by low-income DVCs including income gaps, population growth, and investment issues.

Analyze how population growth rates compared to economic growth rates affect per capita income and living standards.

Calculate changes in real per capita GDP based on given data about GDP growth and population increases.

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