Find the Nth Term of the Geometric Sequence $5 , - 15,45 , - 135,405$

question 175

Multiple Choice

Find the nth term of the geometric sequence.
- $5 , - 15,45 , - 135,405$

• A) \(a _ { n } = 5 \cdot ( - 3 ) ^ { n - 1 }\)
• B) \(a _ { n } = 5 \cdot ( - 3 ) n\)
• C) \(a _ { n } = a _ { 1 } - 3 ^ { n }\)
• D) \(a _ { n } = 5 \cdot ( - 3 ) ^ { n }\)

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