Final answer:
The absolute value of -655 is obtained by adding 0 to -655, resulting in a positive value.
Step-by-step explanation:
The absolute value of -655 is the distance of -655 from zero on the number line. Since -655 is a negative number, its absolute value will be positive. The correct expression that represents the absolute value of -655 is a) 0 + (-655). This expression shows that the absolute value is obtained by adding 0 to -655, resulting in a positive value.