-18
The sum is 2+14 = 16
The sum of the numbers given is 31. 1 + 2 + 4 + 8 + ... + 2n = 2n+1 - 1
in addition the answer is sum but i forgot what is it for multiplacation?
the sum of 2 plus 2 is 4/2+2=44
33 + 25 + 16 = 74
24
-6
-8.
4 plus 10 plus 16 plus 70 equals 100. To find the sum of this series, simply add all the numbers together.
Sum = Addition 2 + 2 = 4
The answer is 10. 16+4=20 20/2=10.
if you are talking about -16 plus 7 it is negative 9