Which equations show that the set of whole numbers is not closed under subtraction.
Choose all answers that are correct.
A. 1 – (–2) = 3
B. 1 – 2 = –1
C. 2 – 0 = 2
D. 2 – 4 = –2

Question

Which equations show that the set of whole numbers is not closed under subtraction.
Choose all answers that are correct.
  A. 1 – (–2) = 3
  B. 1 – 2 = –1
  C. 2 – 0 = 2
  D. 2 – 4 = –2

anonymous · Answer

the two whose answers are negative

haseeb96 · Answer

whole number = { 0 , 1, 2 ,3 , ... }
as we see in the above whole number set that there are no any negative number

haseeb96 · Answer

when we subtract 2 -3 =-1 
here -1 is not negative number which is not include in whole number set so like these examples we say that whole number is not closed under subtraction

anonymous · Answer

so 1 answer is b ?

haseeb96 · Answer

so now what are the answers  choices ? @Wolfie_GirlRocks2002 according to u

haseeb96 · Answer

yes it correct answer

anonymous · Answer

and D?

anonymous · Answer

I got my answers @Haseeb96 its B and D

haseeb96 · Answer

yes these are correct answers .
good job Smart girl

anonymous · Answer

Fanned and medaled