Write an Expression for the Apparent Nth Term of the Sequence.(Assume

Multiple Choice

Write an expression for the apparent nth term of the sequence.(Assume that n begins with 1. ) ​ $$- 243,729 , - 2187,6561 , - 19683 , \ldots$$ ​

A) $a _ { n } = 3 ^ { n - 4 }$ ​
B) $a _ { n } = ( - 3 ) ^ { n - 4 }$ ​
C) $a _ { n } = 3 ^ { n + 4 }$ ​
D) $a _ { n } = ( - 3 ) ^ { n }$ ​
E) $a _ { n } = ( - 3 ) ^ { n + 4 }$ ​