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-   -   Same base with fractional exponents (https://www.askmehelpdesk.com/showthread.php?t=680302)

  • Jul 8, 2012, 01:34 PM
    deshowers
    Same base with fractional exponents
    This is a sample question on a college test site for math.

    2^(5/2)-2^(3/2)

    A. 2^(1/2)
    B.2
    C. 2^(3/2)
    D. 2^(5/3)
    E.2^2

    How do I find know that C is the answer?
  • Jul 9, 2012, 04:45 AM
    ArcSine
    Re-express as and then factor out from both terms.

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