1.   Write 120,000,000 in scientific notation.
    A. 12×107 B. 0.12×109
    C. 1.2×109 D. 1.2×108
    Hint

  2.   Which symbol makes the following statement true?
7,500 ______ 7.5 103
    A. = B.
    C. < D. >
    Hint

  3.   The speed of light in a vacuum is exactly 299,792,458 meters per second. Write this number in scientific notation with the factor rounded to the hundredths place.
    A. 2.99 × 109 B. 3.00 × 109
    C. 2.99 × 1010 D. 3.00 × 108
    Hint

  4.   Write 1,360,000,000,000 in scientific notation.
    A. 1.36 × 1013 B. 13.6 × 1012
    C. 1.36 × 1012 D. 0.136 × 1013
    Hint

  5.   Which symbol makes the following statement true?
568 ______ 5.1 × 102
    A. < B. >
    C. = D.
    Hint