What is the opposite of 2.5

The opposite of 2.5 is -2.5.

Step-by-step explanation:

Hi, to answer this question we have to understand what is the opposite number of a number.

The opposite number of a certain number is the same number but in the negative form (if the original number is a positive number ).

In this case, the opposite of 2.5 is -2.5.

Feel free to ask for more if it´s necessary or if you did not understand something.

ok

step-by-step explanation:

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong