Question

need help will medal and fan



Which sets of numbers are closed under addition?



Choose all answers that are correct.



A.


{0, 2, 5, 8}


B.


even integers


C.


rational numbers


D.


{0}

Answer 1

@ganeshie8

Answer 2

@ganeshie8

Answer 3

B and C

Answer 4

thats what i would go with to B.and C.

Answer 5

a) no 5 + 2 = 7. 7 is not in the set.

b) yes

c) yes

d) 0+0=0

Answer 6

Tell @ZAO1234 why those are the answers no direct answers. :)