1.   Write 2,564,000 in scientific notation.
    A. 2.564×105 B. 2,564×103
    C. 2.564×106 D. 25.64×105
    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.   Which symbol makes the following statement true?
3.25 × 103 ______ 325
    A. < B. =
    C. D. >
    Hint

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