At Westonci.ca, we make it easy for you to get the answers you need from a community of knowledgeable individuals. Ask your questions and receive precise answers from experienced professionals across different disciplines. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

What is the sum of the first six terms of the geometric series?
2-6+18-54+

Sagot :

Answer: -364

Step-by-step explanation:

This is a geometric sequence with first term 2, common ratio -3, and 6 terms.

[tex]S_{6}=\frac{2(1-(-3)^{6}}{1-(-3)}=\boxed{-364}[/tex]

View image Medunno13