Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = -6; r = -3
A. a5 = 162; an = -6 ? (-3)n-1
B. a5 = 162; an = -6 ? (-3)n
C. a5 = -486; an = -6 ? (-3)n-1
D. a5 = -486; an = -6 ? (-3)n
Answer: C
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A. 
B. 
C. - 
D. 
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?3 and ?7
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