Question

2. Write true or false for each of the following.
Rational numbers
a. are closed under addition
b. display commutativity over subtraction
c. are not closed under subtraction
d. display associativity over addition
e. display commutativity over addition​

Answer 1

answer:

a)false

b)false

c)true

d)true

e)true

Answer 2

Answer:

false

false

true

true

true

Hope it is helpful