1.   Write 3,465 in scientific notation.
    A. 0.3465×104 B. 34.65×102
    C. 3.465×103 D. 346.5×10
    Hint

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

  3.   Which symbol makes the following statement true?
3.25 × 103 ______ 325
    A. B. <
    C. > D. =
    Hint

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

  5.   The Mojave Desert in southern California is 15,000 square miles. The Sahara Desert in northern Africa is about 233 times larger than the Mojave Desert. How big is the Sahara Desert?
    A. 3.5 × 104 sq mi B. 3.5 × 103 sq mi
    C. 3.5 × 105 sq mi D. 3.5 × 106 sq mi
    Hint



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