Given:
Expression is
[tex]\sqrt[7]{y^4}[/tex]
Required:
The numerator of the exponent.
Explanation:
We will use exponent formulas
[tex]\sqrt[b]{x^a}=x^{\frac{a}{b}}[/tex]
Now,
[tex]\sqrt[7]{y^4}=y^{\frac{4}{7}}[/tex]
Answer:
Hence, numerator of the exponent is 4.
