Write a Formula for the General Term (The Nth Term) $2 , \frac { 2 } { 5 } , \frac { 2 } { 25 } , \frac { 2 } { 125 } , \frac { 2 } { 625 } , \ldots$

question 73

Multiple Choice

Write a formula for the general term (the nth term) of the geometric sequence.
- $2 , \frac { 2 } { 5 } , \frac { 2 } { 25 } , \frac { 2 } { 125 } , \frac { 2 } { 625 } , \ldots$

• A) \(a _ { n } = 2 \left( \frac { 1 } { 5 } \right) ^ { n - 1 }\)
• B) \(a _ { n } = 2 \left( \frac { 1 } { 5 } \right) ^ { n }\)
• C)\( a _ { n } = 2 \left( \frac { 1 } { 5 } \right) ^ { n + 1 }\)
• D) \(a _ { n } = 2 \left( \frac { 1 } { 25 } \right)^{ n - 1}\)

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Definitions:

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