Question

State whether the following statements are true or false:
(a) Integers are closed under addition [ ].
(b) Integers are not closed under subtraction [ ].
(c) Whole numbers are closed under subtraction[ ].
(d) Integers are not closed for commutative property under addition [ ].
(e) Integers are closed for commutative property under addition [ ].
(f) Integers are not closed for associative property under addition [ ].
(g) Integers are not closed for commutative property under subtraction [ ].
(h) For three integers a,b,c, a +( b + c ) ≠ ( a + b )+c [ ].
(i) a - b = b - a [ ].
(j) a + b = b + a [ ].
please help my exam is yesterday please help.​

Answer 1

Answer:

a. true b. false c. false d. false