Respuesta :

Use this property,
[tex] \sqrt[b]{x^{a} } = x ^{ \frac{a}{b} } [/tex]

In the given question, a = x and b = 4
[tex]80 ^{ \frac{x}{4} } = \sqrt[4]{80^{x} } [/tex]
∴ 2nd one is correct

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