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Question
(a^1)+(a^2)+...+(a^n)
how 2 solve this for
a=3 and n=8
I am not sure what the question is, except that you will want to figure out what
3 + 3^2 + 3^3 +3^4 + 3^5 + 3^6 + 3^7 + 3^8
= 3 + 9 + 27 + 81 + 243 + 729 + 2187 + 6561
= 9840
Note you don't solve for something that doesn't have an equals sign but you evaluate the answer which I have done.
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Answers by Expert:
Sherry Wallin
Expertise
I can answer most questions up through Calculus and some in Number Theory and Abstract Algebra.
Experience
I have had my Bachelor's Degree since 1987 and have been a teacher since 1988. I earned my Masters Degree in Mathematics May 2010. I have been teaching at the same community college since 2002.
Education/Credentials
I have taught 12 years at the community college level, medical college, and technical college as well as a high school instructor and alternative education instructor and charter school instructor.
Awards and Honors
Master's GPA 3.56
Bachelor's GPA 3.34
Post grad work not degree related GPA 4.0
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