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    0.04 × 0.0123 is equivalent to ________.
    Question

    0.04 × 0.0123 is equivalent to ________.

    A.

    492 × 10^(-4)

    B.

    4.92 × 10^(-6)

    C.

    4.92 × 10^(-4)

    D.

    492 × 10^(-5)

    Correct option is C


    0.04 × 0.0123
    = 4×10-2×123×10-4
    = 492×10-6
    = 4.92×102 ×10-6
    = 4.92×10-4

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