The given monomial is
![7x^8](https://img.qammunity.org/2019/formulas/mathematics/high-school/2uktyjt1jq1wnu78cid4mconax4ys22dol.png)
And degree is the highest exponent of the constant .
For e.g.
Degree of
is 5 since 5 is the exponent of x here. And in the given question, Here the constant is x.
And the exponent of x is 8 .
Therefore the degree of the given monominal is 8 .