Question

I’m not understanding the problem it says the numerator of the exponent is ?

Answer 1

Given:

Expression is

$\sqrt[7]{y^4}$

Required:

The numerator of the exponent.

Explanation:

We will use exponent formulas

$\sqrt[b]{x^a}=x^{\frac{a}{b}}$

Now,

$\sqrt[7]{y^4}=y^{\frac{4}{7}}$

Answer:

Hence, numerator of the exponent is 4.