1.   Evaluate (3.2 × 10-5)(5.4 × 109). Express the result in scientific notation.
    A. 1.728 × 103 B. 1.728 × 105
    C. 0.1728 × 106 D. 17.28 × 104
    Hint

  2.   Evaluate . Express the result in scientific notation.
    A. 0.8 × 10-8 B. 8.0 × 10-7
    C. 80 × 10-8 D. 8.0 × 10-9
    Hint

  3.   Express 0.000033 in scientific notation.
    A. 3.3 × 10-4 B. 3.3 × 10-5
    C. 3.3 × 105 D. 3.3 × 10-6
    Hint

  4.   What is the value of (4.4 × 109)(3 × 10-5) in scientific notation?
    A. 1.5 × 104 B. 1.32 × 105
    C. 1.32 × 104 D. 1.32 × 106
    Hint

  5.   Express 4.67 × 10-7 in standard notation.
    A. 0.000000467 B. 0.00000467
    C. 46,700,000 D. 0.0000000467
    Hint



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