It is zero and that is simply because that is how additive opposites are defined.
Their total is zero.
Yes.
Integers are whole numbers without decimals or fractions.
INTEGERS
It is zero and that is simply because that is how additive opposites are defined.
Their total is zero.
Yes.
The two sets are the same: the set of integers.
Integers are whole numbers without decimals or fractions.
The answer depends on what is meant by "their opposites". If you mean additive opposites then the set is of all non-zero integers.
Opposites
INTEGERS
integers
The set of all whole numbers and their opposites are
These are the integers.
They are -11 and -5.