technically speaking yes the opposite of 5 is -5
If you mean 21517 then it is an integer because it is a whole number. If you mean 2.1517 then it is not an integer because it is not a whole number.
An integer is a whole number. Adding a integer would just mean to add a whole number.
What exactly do you mean when you say "the opposite of a whole number" . . .
An integer is a whole number without fractions or decimals
If you mean 5110 then it is an integer because it is a whole number
It means 'entire' - a number is an integer when it is whole, and not a fraction.
It is a number of inches where that number is an integer.
The answer must be a whole number.
An integer is a whole number. Nonnegative mean not negative. A nonnegative integer is a whole number that is not a negative number. For example, 0, 1, 2, 3, 4, 5,....
If you mean -20 then it is an integer because it is a whole number
Whole number means the same thing as integer and does not have a fraction or decimal part. Rational numbers can be expressed as a ratio of whole numbers.
Yes. All whole number, integer and natural number and even fractions and decimals are rational numbers