1.   Evaluate . Express the result in scientific notation.
    A. 0.8 × 10-8 B. 8.0 × 10-7
    C. 80 × 10-8 D. 8.0 × 10-9
    Hint

  2.   Simplify
    A. B.
    C. D.
    Hint

  3.   Simplify .
    A. B.
    C. D.
    Hint

  4.   Which number is not equal to the other three?
    A. 2-2 B.
    C. D.
    Hint

  5.   The population of fish in Mark's lake is 500 this year. If the population increases by 6.9% a year, what number can Mark multiply this year's population by to estimate the fish population in the lake next year?
    A. 1.069 B. 0.0931
    C. 1.69 D. 6.9
    Hint

  6.   Find the table that does not represent an exponential equation.
    A.
    B.
    C.
    D.
    Hint



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