Write a formula for the general term (the nth term) of the geometric sequence.0.0009, 0.009, 0.09, 0.9, . . .
A. an = 9(10)n
B. an = 0.0009(10)n - 1
C. an = 9(0.1)n
D. an = 0.009(10)n - 1
Answer: B
Mathematics
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