1.   Write 1,360,000,000,000 in scientific notation.
    A. 13.6 × 1012 B. 1.36 × 1012
    C. 1.36 × 1013 D. 0.136 × 1013
    Hint

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

  3.   Write 9.01 × 108 in standard form.
    A. 901,000,000 B. 90,100,000
    C. 9,010,000,000 D. 9,010,000
    Hint

  4.   Which set of numbers is ordered from least to greatest?
    A. 1.01 × 106; 1.0 × 107; 10,100,000; 101,000,000
    B. 101,000,000; 10,100,000; 1.0 × 107; 1.01 × 106;
    C. 10,100,000; 1.01 × 106; 101,000,000; 1.0 × 107
    D. 10,100,000; 101,000,000; 1.01 × 106; 1.0 × 107
    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 × 106 sq mi
    C. 3.5 × 103 sq mi D. 3.5 × 105 sq mi
    Hint



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