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

  2.   Write 120,000,000 in scientific notation.
    A. 0.12×109 B. 1.2×109
    C. 1.2×108 D. 12×107
    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. 3.00 × 109 B. 2.99 × 1010
    C. 3.00 × 108 D. 2.99 × 109
    Hint

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

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