Find the Nth Term of the Geometric Sequence $a _ { n } = 5 \cdot ( - 3 ) ^ { n - 1 }$

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) $a _ { n } = 5 \cdot ( - 3 ) ^ { n }$