Respuesta :

3xy^z: exponent is not a nonnegative int.

r-2s: it is not a product

(ab)^1/2: exponent is not a nonnegative int.

garylul69

Answer:

✔ exponent is not a nonnegative integer

   

✔ it is not a product

✔ exponent is not a nonnegative integer

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