Q: What is the negative version of the number 21,157,751?
A: -21,157,751
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:
| 21,157,749 | 21,157,750 | 21,157,752 | 21,157,753 |
| -21,157,749 | -21,157,750 | -21,157,752 | -21,157,753 |