1.   Express 765,000,000,000 in scientific notation.
    A. 7.65 × 10-11 B. 7.65 × 1011
    C. 0.765 × 1012 D. 7.65 × 1010
    Hint

  2.   Express 47.5 × 10-5 in scientific notation.
    A. 4.75 × 10-6 B. 475 × 10-6
    C. 0.475 × 10-3 D. 4.75 × 10-4
    Hint

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

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

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



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