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!

2 + 2 (-1/4 )  + 2 (1/16) + 2 ( -1/64 ) + 2( 1/256 ) =  2 - 1/2  + 1/8 - 1/32 + 1/128 =  2  - 51/128 = 205/128


2 ^1  + 2 ^2 + 2^3 + 2^4 + 2^5 + 2^6 + 2^7 + 2^8  =  2 + 4 + 8 + 16 + 32 + 64 + 128 + 256 = 510

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

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