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

  2.   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. 3.00 × 108 B. 2.99 × 109
    C. 3.00 × 109 D. 2.99 × 1010
    Hint

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

  4.   Which symbol makes the following statement true?
1.55 × 104 ______ 15,000
    A. < B.
    C. > D. =
    Hint

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