1.   Use estimation to place the decimal point in the product
18.7 × 21 = 3927.
    A. 39.27 B. 392.7
    C. 3927.0 D. 3.927
    Hint

  2.   Find 4.2 נ7.5.
    A. 3.15 B. 0.315
    C. 31.4 D. 31.5
    Hint

  3.   A full tank of gasoline costs $17.45. If the car has a 12-gallon tank, approximately how much does a gallon of gasoline cost?
    A. $0.145 B. $1.45
    C. $1.54 D. $14.50
    Hint

  4.   Find 9.72 ÷ 1.2.
    A. 81 B. 8.1
    C. 810 D. 0.81
    Hint

  5.   Multiply 0.032 × 2.1.
    A. 0.672 B. 0.064
    C. 0.0672 D. 672
    Hint



Glencoe
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