Respuesta :

Answer:

the second one, [tex]\sqrt[7]{81}[/tex] is right

Step-by-step explanation:

when you see something like this, you can take the denominator  of the fraction and put it outside the root, so it becomes a seventh root, and the number inside the root is then raised to the power of to numerator of the fraction. 3^4 = 81

sorry if i explained that bad :)

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