Write an Expression for the Nth Term of the Geometric $$a _ { 1 } = 7 , r = \sqrt { 3 } , n = 8$$

Multiple Choice

Write an expression for the nth term of the geometric sequence.Then find the indicated term.(Round your answer to three decimal places. ) ? $$a _ { 1 } = 7 , r = \sqrt { 3 } , n = 8$$ ?

A) $a _ { n } = 7 ( \sqrt { 3 } ) ^ { n - 1 }$ ,About 15.456
B) $a _ { n } = ( \sqrt { 3 } ) ^ { n - 1 }$ ,About 982.073
C) $a _ { n } = 7 ( \sqrt { 3 } ) ^ { n + 1 }$ ,About 327.358
D) $a _ { n } = 7 ( \sqrt { 3 } ) ^ { n - 1 }$ ,About 327.358
E) $a _ { n } = ( \sqrt { 3 } ) ^ { n + 1 }$ ,About 15.456