Q: What is the negative version of the number 21,720,217?
A: -21,720,217
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
21,720,215 | 21,720,216 | 21,720,218 | 21,720,219 |
-21,720,215 | -21,720,216 | -21,720,218 | -21,720,219 |