Question

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What is the formula for the following geometric sequence?
-5, -10, -20, -40, ...

an = -5 · 2 n - 1
an = -2 · (-5) n - 1
an = -5 · (-2) n - 1
an = 2 · (-5) n - 1

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

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