Which of the following sets is closed under multiplication?
A. {0, 1}
B. {1, 2}
C. {0, 1, 2}
D. None of the sets are closed under multiplication.

Respuesta :

B. {1,2}  because they are both whole numbers 0 is not one.

(Proof: Whole Numbers: This set is closed only under addition and multiplication. Integers: This set is closed only under addition, subtraction, and multiplication. Rational Numbers: This set is closed under addition, subtraction, multiplication, and division (with the exception of division by 0)"

Answer:

(o,1)

Step-by-step explanation:

i got my results back and it said that this was the correct answer