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

  2.   Which symbol makes the following statement true?
3.25 × 103 ______ 325
    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 × 1010 B. 3.00 × 109
    C. 2.99 × 109 D. 3.00 × 108
    Hint

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

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