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Posted by on Saturday, July 30, 2011 at 9:52pm.

rewrite with positive exponents. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.

[3}^-4
---
ua^2}

  • intermediate algebra - , Sunday, July 31, 2011 at 5:27pm

    3^-4
    Multiply numerator and denominator by 3^4:

    3^-4 * 3^4 / 3^4= 1/3^4.

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