1.   Select the set of numbers to which does not belong.
    A. irrational numbers B. integers
    C. natural numbers D. rational numbers
    Hint

  2.   The number belongs to which set(s) of numbers?
    A. whole numbers and rational numbers B. integers and rational numbers
    C. irrational numbers D. rational numbers
    Hint

  3.   The radius of a sphere is given by , where A is the surface area of the sphere. Suppose a sphere has a surface area of 36 square inches. What is the measure of the radius? (Round to the nearest tenth of an inch.)
    A. 1.7 inches B. 3.4 inches
    C. 2.9 inches D. 3 inches
    Hint

  4.   The set {0, 1, 2, 3, 4, …} refers to the ______________.
    A. natural numbers
    B. whole numbers
    C. integers
    D. rational numbers
    Hint

  5.   Select the set of numbers to which 4 does not belong.
    A. irrational numbers
    B. integers
    C. whole numbers
    D. rational numbers
    Hint