Answer:
0
Explanation:
Degree of a term is known as the power of the variable. As the constant term has no variable , the degree of the constant term is 0.
Here 7 is a constant term. As 7 doesn't have any variable , it can be also written as:-
![7 = 7x^0](https://img.qammunity.org/2021/formulas/mathematics/high-school/pvdywd6fbfaukmitqzb6uvw96bf7smdivh.png)
And here the power of
is 0 , so the degree is 0.