Which choice is the explicit formula for the following geometric sequence?0.5, -0.1, 0.02, -0.004, 0.0008, ...A. an=
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Which choice is the explicit formula for the following geometric sequence?0.5, -0.1, 0.02, -0.004, 0.0008, ...A. an= -0.5(0.2)^(n-1)B. an = 0.5(0.2)^nC. an= -0.5(0.3)^(n-1)D. an=-0.5(-0.2)^(n-1)E. an = 0.5(-0.2)^(n-1)
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