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ehidna [41]
3 years ago
10

What is the formula for the following geometric sequence? -5, -10, -20, -40, ... an = -5 · 2n - 1 an = -5 · (-2)n - 1 an = -2 ·

(-5)n - 1 an = 2 · (-5)n - 1
Mathematics
1 answer:
vazorg [7]3 years ago
8 0
-5 * 2^{n-1}
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Step-by-step explanation:

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Step-by-step explanation:

Calculation for What is a reasonable estimate of the number of gallons of gas Karl used

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