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Discussion :: Decimal Fraction

  1. If 1.125 * 10k = 0.001125, the value of k is

    2. A.
    -4
    B.
    -5
    C.
    -3
    D.
    -1

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    Answer : Option C

    Explanation :

    The given expression is 1.125 * 10k = 0.001125
    Or, we can say 0.001125 = 1.125/103 = 1.125 * 10-3
    Now, 1.125 * 10k = 1.125* 10-3
    On comparing both sides, we get 10k = 10-3
    Hence, k = -3

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