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# 2+2+2^2+2^3+2^4+2^5+2^6+2^7+2^8=

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Joined: 13 Mar 2006
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Kudos [?]: 9 [0], given: 0

2+2+2^2+2^3+2^4+2^5+2^6+2^7+2^8= [#permalink]  30 Apr 2006, 06:48
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0% (00:00) correct 0% (00:00) wrong based on 0 sessions
2+2+2^2+2^3+2^4+2^5+2^6+2^7+2^8=?
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GMAT by 8th JUL

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Joined: 10 May 2004
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Kudos [?]: 0 [0], given: 0

1+( 1+2+2^2+...+2^8) = 1 + (2^9-1)/(2-1) = 512
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-al

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