I need help with an algebra problem

Algebra
Tutor: None Selected Time limit: 1 Day

Dec 5th, 2015

Thank you for the opportunity to help you with your question!

1. 4+2+1+1/2+1/4+1/8=7+7/8=63/8

2. (-3)^1+(-3)^2+.....+(-3)^8=-3+9-27+81-243+729-2187+6561=4920

Please let me know if you need any clarification. I'm always happy to answer your questions.
Dec 5th, 2015

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