33
Wiki User
∙ 12y ago(-15) + 23 = 8
The sum is 93.
45 + 8 - 23 + 2 = 32
10
The sum of 8 and 2/3 is 8 2/3
The sum of the numbers given is 31. 1 + 2 + 4 + 8 + ... + 2n = 2n+1 - 1
-6
Well, 8+23+2 is addition, but I assume you mean what is the propery that makes 8+23+2, 2+23+8, and 23+8+2, etc., all equal the same thing, and that would be the associative property
The sum of 1/8 and 3/8 is 1/2
12/10+2=12
495
23