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Mathematics

9th

grade

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Laws of Exponents

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12 questions

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  • 1. Multiple Choice
    15 minutes
    1 pt

    Simplify:  8(x4)128\left(x^4\right)^{\frac{1}{2}}  

     4x24x^2  

     8x28x^2  

     4x44x^4  

     8x48x^4  

  • 2. Multiple Choice
    15 minutes
    1 pt

    Which expression is equivalent to  x2y2z24y4\frac{x^2y^2z^2}{4y^4}  ?

     4y64y^6  

     y6y^6  

     x2z24y2\frac{x^2z^2}{4y^2}  

     4x2y6z24x^2y^6z^2  

  • 3. Multiple Choice
    15 minutes
    1 pt

    The area of a rectangle is  72r5s2t772r^5s^2t^7  square units. If the length if the rectangle is  3r2t43r^2t^4  units, what is therectangle's width?

     69r2s2t269r^2s^2t^2  

     14r3st14r^3st  

     36r2t436r^2t^4  

     24r3s2t324r^3s^2t^3  

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