Respuesta :
[tex]\bf 5y^4+y^3+\frac{2}{3}y^2+y+1\quad
\begin{cases}
5y^4&\textit{degree}\ \boxed{4}\\
y^3&\textit{degree}\ 3\\
\frac{2}{3}y^2&\textit{degree}\ 2\\
y&\textit{degree}\ 1
\end{cases}\quad \textit{polynomial degree, 4}\\\\
-------------------------------\\\\
3a^9+7x^3y^5b^2-8b^3y^6\quad
\begin{cases}
3a^9&\textit{degree}\ 9\\
7x^3y^5b^2&\textit{degree}\ 3+5+2=\boxed{10}\\
8b^3y^6&\textit{degree}\ 3+6=9
\end{cases}
\\\\
\textit{polynomial degree, 10}[/tex]
so.. notice, if the term has several variables, the degree of the term is, the sum of the exponents.
so.. notice, if the term has several variables, the degree of the term is, the sum of the exponents.