Q: What is the negative version of the number 15,456,221?
A: -15,456,221
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:
| 15,456,219 | 15,456,220 | 15,456,222 | 15,456,223 |
| -15,456,219 | -15,456,220 | -15,456,222 | -15,456,223 |