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

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

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

  4.   Write 6.2 × 105 in standard form.
    A. 620,000 B. 62,000,000
    C. 6,200,000 D. 62,000
    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 × 103 sq mi B. 3.5 × 106 sq mi
    C. 3.5 × 104 sq mi D. 3.5 × 105 sq mi
    Hint



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