1.   Which symbol makes the following statement true?
3.25 × 103 ______ 325
    A. B. =
    C. > D. <
    Hint

  2.   Find
    A. B.
    C. D.
    Hint

  3.   Find a number that when squared equals 484.
    A. None of these is correct B. 22 only
    C. -22 only D. 22 or -22
    Hint

  4.   Tell whether the statement is sometimes true, always true, or never true for positive values of n. If it is sometimes true, state for what value it is true.
4n = 6,561.
    A. always true B. sometimes true, n = 7
    C. never true D. sometimes true, n = 8
    Hint

  5.   Identify the decay factor in the equation p = 1,508,069 × 0.89n where p is the bacteria population and n is the number of days after a vaccine was administered.
    A. n B. 0.89
    C. p D. 1,508,069
    Hint

  6.   Which equation represents exponential growth?
    A. y = 250 × 4x B. y = 250 × 0.25x
    C. y = 250 × 0.4c D. y = 250 · x
    Hint



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