Q: What is the negative version of the number 21,520,317?
A: -21,520,317
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:
| 21,520,315 | 21,520,316 | 21,520,318 | 21,520,319 |
| -21,520,315 | -21,520,316 | -21,520,318 | -21,520,319 |