1.   Express 0.49% as a decimal.
    A. 0.049 B. 0.49
    C. 0.00049 D. 0.0049
    Hint

  2.   In a sample of air containing about 500 liters, 4.67 liters of the element Argon was found. What percentage of the air is Argon?
    A. 0.934% B. 0.2335%
    C. 0.1868% D. 0.467%
    Hint

  3.   The number of U.S. households with cable television increased 219% between 1981 and 2001. Write 219% as a decimal.
    A. 2.19 B. 21,900
    C. 0.219 D. 21.9
    Hint

  4.   Find 7.25 written as a percent.
    A. 72.5% B. 7.25%
    C. 725% D. 7,250%
    Hint

  5.   Find 0.008 written as a percent.
    A. 80% B. 0.08%
    C. 8% D. 0.8%
    Hint



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