The degree of a monomial is the sum of the exponents of all its variables
The monomial is
[tex]6x^8y^5[/tex]The variables here are x and y
The exponents of x and y are 8 and 5 respectively
Therefore, the degree of the monomial is
[tex]8\text{ + 5 = 13 }[/tex]The degree of the monomial is 13