Question

Need urgent help Which sets of numbers are closed under addition?

Choose all answers that are correct.









A.

whole numbers








B.

natural numbers








C.

negative integers








D.

integers

Answer 1

Hello!

Whole numbers are closed under addition and multiplication

Integers are closed under addition, subtraction, and multiplication

natural numbers are positive whole integers so they are also closed under addition

The answers are A, B and D

Hope this helps!