Think about when you evaluate the expression (10+9+8). You will either add 10+9 or 9+8 first and add 19 to 8 or 17 to 8. (10+9+8) is ambiguous because it can be

Think about when you evaluate the expression (10+9+8). You will either add 10+9 or 9+8 first and add 19 to 8 or 17 to 8. (10+9+8) is ambiguous because it can be parsed both ways.