1.   Express 0.034 × 107 in scientific notation.
    A. 0.34 × 106 B. 3.4 × 109
    C. 3.4 × 105 D. 34 × 104
    Hint

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

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

  4.   Express 2.38 × 106 in standard notation.
    A. 0.000000238 B. 0.00000238
    C. 238,000 D. 2,380,000
    Hint

  5.   Express the result of in scientific notation.
    A. 3.43 × 102 B. 3430
    C. 3.43 × 103 D. 343
    Hint



Glencoe
The McGraw-Hill Companies