OpenStax, Algebra and Trigonometry 2e §13.7 Probability · Exercise 132 · Probability · Counting & chance

Probability · Exercise 132

Use the formula for the sum of the first $n$ terms of a geometric series to find $\sum_{k = 1}^{7} - 0.2 \cdot (- 5)^{k - 1} .$

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OpenStax, Algebra and Trigonometry 2e · §13.7 Probability · Exercise 132

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