Add the integers together, then divide it by the number of integers there are, (in this case 5)
Positive and negative integers are opposite each other.
By adding whatever you mean with "integers of a number".
negative integers mean the stock price lost that amount. that is why you will also see thenegative integers in the color red.
The symbol for the set of integers is Z from the German word "zahl" = integer.
I think you mean consecutive even integers: 20 & 22
Any time you add integers, the sum will be another integer.
Counting numbers are 1,2,3.... If you include 0 and the opposites .... -3,-2,-1, 0,1,2,3 .... this creates the integers. Integers do not include decimals or fractions.
It means how many numbers there are.
finding the mean of the integers of -5,0,2,3
The mean is 3.
Unfortunately, the term "whole numbers" is somewhat ambiguous - it means different things to different people. If you mean "integers", yes, it is closed. If you mean "positive integers" or "non-negative integers", no, it isn't.