Q: What is the negative version of the number 210,421,507?
A: -210,421,507
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:
| 210,421,505 | 210,421,506 | 210,421,508 | 210,421,509 |
| -210,421,505 | -210,421,506 | -210,421,508 | -210,421,509 |