Work Step by Step
The sum of a number and $0$ is the number itself. Hence, the given expression, $ -2.9+0 ,$ is equal to $ -2.9 .$
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.