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PreAlgebra Chapter 4 review

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    exponents, roots and real numbers
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  • Which expression is equivalent to (-6)(-6)(-6)?
    (-6)^3
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  • Evaluate a^3 - b^2 if a = 6 and b = 3
    207
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  • The approximate diameter of Mars is 2^12 miles. The approximate diameter of Neptune is 2^15 miles. Which expression can be used to find how many times as great is Neptune’s diameter than Mars’ diameter?
    2^15 / 2^12
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  • Name the expression
    3^(-4)
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  • Evaluate
    1/25
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  • simplify the expression
    -5a^4
  •  15
  • Simplify
    1/(m^2)
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  • Scientific Notation
    7.5 x 10^3
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  • Comparing
    D
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  • Estimate square roots
    14
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  • Number sets
    Irrational Numbers D
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