There is only one set and it does have an additive identity.
Chat with our AI personalities
It is the additive identity of most sets of "ordinary" numbers. Division by zero is not defined.
Yes. The additive identity is always commutative - even in sets with binary operations that are not otherwise commutative.
the answer is -1
there are 5 diffeerent sets Natural Numbers whole numbers integers rational numbers irrational numbers.
The sets of integers and whole numbers are completely contained in the set comprising rational numbers.