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Discussion :: Surds and Indices

  1. (256)0.16 x (256)0.09 = ?
    2. A.

    4
    B.

    16
    C.

    64
    D.

    256.25

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    Answer : Option A

    Explanation :

    (256)0.16 x (256)0.09 = (256)(0.16 + 0.09)

       = (256)0.25

       = (256)(25/100)

       = (256)(1/4)

       = (44)(1/4)

       = 44(1/4)

       = 41

       = 4

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