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Add 1101base2, 10111base2, and 111base2

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asked Apr 30, 2013 in BASIC MATH by Afeez Novice

1 Answer

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1101₂ + 10111₂ + 111₂

1101₂  = 1×20 + 0×21 + 1×22 + 1×23

            = 1 + 0 + 4 + 8

            = 13

10111₂  = 1×20 +1×21 + 1×22 + 0×23 + 1×24

              = 1 + 2 + 4 + 0 + 16

              = 23

111₂  = 1×20 + 1×21 + 1×22

         = 1 + 2 + 4

         = 7

1101₂ + 10111₂ + 111₂  = 13 + 23 + 7

                                         = 43 = 101011₂

answered Apr 30, 2013 by diane Scholar

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