Q: What is the negative version of the number 21,515,402?
A: -21,515,402
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:
| 21,515,400 | 21,515,401 | 21,515,403 | 21,515,404 |
| -21,515,400 | -21,515,401 | -21,515,403 | -21,515,404 |