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What is the following value when expressed as a common fraction:
1/2 + 1/2^2 + 1/2^3 + ... + 1/2^8 + 1/2^9 + 1/2^10 + 1/2^11 + 1/2^12

 Dec 28, 2021
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sumfor(n, 1, 12, 1/(2^n)) ==4095 / 4096

 Dec 28, 2021

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