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

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

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

  4.   Which set of numbers is ordered from least to greatest?
    A. 10,100,000; 101,000,000; 1.01 × 106; 1.0 × 107
    B. 1.01 × 106; 1.0 × 107; 10,100,000; 101,000,000
    C. 101,000,000; 10,100,000; 1.0 × 107; 1.01 × 106;
    D. 10,100,000; 1.01 × 106; 101,000,000; 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 × 106 sq mi B. 3.5 × 105 sq mi
    C. 3.5 × 104 sq mi D. 3.5 × 103 sq mi
    Hint



Glencoe
The McGraw-Hill Companies