Q: What is the negative version of the number 21,515,250?
A: -21,515,250
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:
| 21,515,248 | 21,515,249 | 21,515,251 | 21,515,252 |
| -21,515,248 | -21,515,249 | -21,515,251 | -21,515,252 |