Respuesta :

The opposite of -16.5 is 16.5 because the opposite of a number is just the number on the opposite side of zero on the number line.

Answer: The opposite of -16.5 would be +16.5. The two numbers are opposite because if you look at a number line and take -16.5 and look on the other side where that number would be its postitive. Therefor being + 16.5

Step-by-step explanation: