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Quiz 6

Mathematics Department
Tennessee Technological University


Date: November 18, 2017


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  1. Simplify and write the expression $ \frac{x^2y^{-2}z}{x^{-2}yz^{-3}}$ in positive exponents.

    $ \frac{y^3}{z^4} $

    $ \frac{1}{xyz}$

    $ \frac{x^4z^4}{y^3}$

    $ \frac{x^2y}{z^4}$

  2. Evaluate $ -2^{-4}$.

    $ -16$

    $ -8$

    $ -\frac{1}{16}$

    $ -\frac{1}{8}$

  3. Simplify the expression $ \Big(\frac{27p^6}{64}\Big)^{-4/3}$.

    $ \frac{9p^4}{16}$

    $ \frac{81p^4}{256}$

    $ \frac{256}{81p^8}$

    $ \frac{256}{81p^4}$





Department of Mathematics
Last modified: 2017-11-18