1.   Multiply 0.25 × 103.
    A. 0.00025 B. 250
    C. 25,000 D. 25
    Hint

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

  3.   The diameter of a quarter is approximately 1 in. How many quarters would it take to cover a football field measuring 360 ft by 160 ft?
    A. 8,294,400 quarters B. 691,200 quarters
    C. 57,600 quarters D. 1,216,000 quarters
    Hint

  4.   Find the value of N in the equation.N × 104 = 8,653,300
    A. N = 86,533,000,000
    B. N = 8.6533
    C. N = 865.33
    D. N = 86,533
    Hint

  5.   Use your calculator to evaluate the expression.
7.3 × 1012 + 8.1 × 1012
    A. 1.54 × 1013 B. 15.4 × 1013
    C. 5.913 × 1013 D. 59.13
    Hint



Glencoe
The McGraw-Hill Companies