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What is the result of: (1+2+4+8+16+....+2^n) ?.

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Question added by Ali Darwich , مدرس , المركز الوطني للعلوم (NCS).
Date Posted: 2019/02/15

result will be a series, so if you limit the final value of the series to 20, then the series will be like that.

20  Σ 2*n     n=1      

Saeed Bakhsh
by Saeed Bakhsh , Consultant PM & IT Expert - National Meteorology Center , National Meteorology Center - Contractors

the sum of the series 1+2+4+8+16+....+2^n is 2^n - 1

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