13 and 7
2+3=5
No.
It is a negative number. The answer is the same whether there is an odd or even number of addends.
Addends are the numbers that are added together to get a sum.
Addends.
ÃŒn that case you can multiply one of the addends, times the number of addends.
That's the mean (average) of all the addends.
The sum of a set of numbers divided by the number of addends is the mean average of that set.
The sum could be anything, but it would be a positive number if the two addends are positive.
2, 5, 5
0.4% of 20 = 0.4% * 20 = 0.004 * 20 = 0.08
(Average times the total number of addends) minus the given sum of the addends. Uriel.