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Math Help - Evaluating an Expression

  1. #1
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    Evaluating an Expression

    I apologize for the lack of description in the title. I am not particularly sure how to describe this problem

    Evaluate these expression without using a calculator.

    A) -125^1/3
    B) 81^0.25
    C) 27 to the square root of 3

    If someone could walk me through how to do these, I would greatly appreciate it.
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  2. #2
    o_O
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    a^{\frac{m}{n}} = \sqrt[m]{a^{n}} = \left(\sqrt[m]{a}\right)

    For example, -125^{\frac{1}{3}} = -\sqrt[3]{125^{1}} = -5, assuming that you know 5^{3} = 125

    And are you sure you posted the last question correctly. I doubt you're expected to find 27^{\sqrt{3}} without a calculator xD.
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  3. #3
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    No, I did not, I intended the square root symbol to be over the 27, if you understand me. I have not yet figured the math tags out.
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