1.   Write 2,564,000 in scientific notation.
    A. 2.564×105 B. 2.564×106
    C. 25.64×105 D. 2,564×103
    Hint

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

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

  4.   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 × 1010 B. 2.99 × 109
    C. 3.00 × 108 D. 3.00 × 109
    Hint

  5.   Write 45,870,320 in scientific notation.
    A. 45.87032 × 107 B. 4.587032 × 108
    C. 4.587032 × 107 D. 45.87032 × 106
    Hint