Michigan State University - Diagnostic Exam

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5.6

  •   Which of the following is equal to the sum 1 + 2 + (2)2 + (2)3 + … + (2)30 ?

    a) 231 - 1 b) 1 - 231 c) 230 - 1 d) 1 + 231 e) 2(230 + 1)

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July 16, 2008