1.   Express 0.07% as a decimal.
    A. 0.007 B. 0.0007
    C. 7.0 D. 0.7
    Hint

  2.   Express .00034 as a percent.
    A. 0.34% B. 0.034%
    C. 3.4% D. 0.0034%
    Hint

  3.   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. 0.1868% B. 0.2335%
    C. 0.934% D. 0.467%
    Hint

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

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



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