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Mark Scheme Summer 2009 - Edexcel

Jul 17, 2009 · 8371_9374 GCE Mathematics January 2009 6 Question Number Scheme Marks Q2 5 32 =2 or 2048 2= 11, 2 1 2 =2 or 1 2048 2048= 2 B1, B1 2 11 a = ⎟ or 5.5 2 1 or 5 B1 [3] 1st B1 for 32 2= 5 or 2048 2= 11 This should be explicitly seen: 32 2 2= a followed by 22 25 = a is OK Even writing 32 2 2 2 2×= × =56( )is OK but simply writing 32 2 2×=6 is NOT 2nd B1 for

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