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Recall that a fractional power indicates a root. So $x^\\frac{1}{2}= \\sqrt x$.

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A negative power indicates a reciprocal. For instance $3^{-2} = \\dfrac{1}{3^2}$.

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See this Mathcentre leaflet for more information on fractional and negative powers.

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If  $x= \\var{x2} \\$,   find the value of  $x^{\\var{n}}$.

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$x^{\\var{n}}=$ [[0]]

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If  $y= \\var{x6}$, find the value of  $y^{\\frac{1}{2}}$.

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$y^{\\frac{1}{2}}$ = [[0]]

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If  $z= \\var{x4}$, find the value of  $z^{\\var{n2}}$.

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$z^{\\var{n2}}$ = [[0]]

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Find the value of the following.

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Given a number evaluate simple power, negative power, to one half.

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