Respuesta :

Answer/Step-by-step explanation:

[D]

Polynomials will be closed under an operation if the operation produces another polynomial. When multiplying polynomials, the variables' exponents are added, according to the rules of exponents.

(Note: exponents in polynomials are whole numbers.)

 

[RevyBreeze]

Question:

Polynomials are closed under multiplication. What does that mean?

Answer: When you multiply polynomials, the result is always a polynomial.