Question

Integer are closed under addition. TorF










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Answer 1

Step-by-step explanation:

The integers are "closed" under addition, multiplication and subtraction, but NOT under division ( 9 ÷ 2 = 4½). (a fraction) between two integers. Integers are rational numbers since 5 can be written as the fraction 5/1.

Answer 2

Answer:

true

Step-by-step explanation:

example

(- 2) + ( - 3 ) = - 5