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    Convert 78939990\frac{7893}{9990}99907893​​ to its recurring decimal form.
    Question

    Convert 78939990\frac{7893}{9990}​ to its recurring decimal form.

    A.

    0.79900.7\overline{990}

    B.

    0.79000.7\overline{900}

    C.

    0.7900.7\overline{90}

    D.

    0.7990.\overline{799}

    Correct option is B

    Given:

    78939990\frac{7893}{9990}​​

    Solution:

    78939990=8771110 8771110=.79000900\frac{7893}{9990} = \frac{877}{1110}\\ \ \\\frac{877}{1110} = .79000900

    900 repeated number 

    = 0.79000.7\overline{900}​​

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