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    Express the following as decimals, respectively. 20%, 0.5%, 0.03%
    Question

    Express the following as decimals, respectively.
    20%, 0.5%, 0.03%

    A.

    0.02,0.005,0.0003

    B.

    0.02,0.005,0.003

    C.

    0.2,0.005,0.0003

    D.

    0.2,0.0005,0.0003

    Correct option is C

    Solution:

    20%=20100=0.2 0.5%=51000=0.005 0.03%=310000=0.000320\% = \frac{20}{100} = 0.2\\\ \\0.5\% =\frac{5}{1000} = 0.005\\\ \\0.03\% =\frac{3}{10000} = 0.0003\\​​

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