The numbers −12 , 23 and 16 follow the Associative property of addition.
True
Associative property states : (a+b)+c = a+(b+c)
Now, let us verify it for the given numbers.
(−12+23)+16 = 16+16 = 26 = 13
And ,
−12+(23+16) = −12+56 = 5−36 = 26 = 13
∴ The given statement is true.