1.   Express 830% as a decimal.
    A. 0.83 B. 0.083
    C. 83.0 D. 8.3
    Hint

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

  3.   Express 4283% as a decimal.
    A. 42.83 B. 4283
    C. 428.3 D. 4.283
    Hint

  4.   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. 0.467%
    C. 0.2335% D. 0.1868%
    Hint

  5.   Find 0.061 written as a percent.
    A. 0.61% B. 0.00061%
    C. 6.1% D. 61%
    Hint



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