OpenStax, Algebra and Trigonometry 2e §13.4 Series and Their Notations · Exercise 46 · Probability · Counting & chance

Series and Their Notations · Exercise 46

Use the formula for the sum of the first $n$ terms of a geometric series to find the partial sum.

$\sum_{n = 1}^{10} - 2 \cdot (\frac{1}{2})^{n - 1}$

~8 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §13.4 Series and Their Notations · Exercise 46

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.