Find the Sum of the Finite Geometric Sequence $$\sum _ { n = 1 } ^ { 6 } ( - 6 ) ^ { n - 1 }$$

Multiple Choice

Find the sum of the finite geometric sequence? $$\sum _ { n = 1 } ^ { 6 } ( - 6 ) ^ { n - 1 }$$ ?

A) -6,665
B) -9,331
C) -185
D) 1,555
E) 1,111