Q: What is the negative version of the number 21,155,128?
A: -21,155,128
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:
| 21,155,126 | 21,155,127 | 21,155,129 | 21,155,130 |
| -21,155,126 | -21,155,127 | -21,155,129 | -21,155,130 |