Q: What is the negative version of the number 21,543,242?
A: -21,543,242
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:
| 21,543,240 | 21,543,241 | 21,543,243 | 21,543,244 |
| -21,543,240 | -21,543,241 | -21,543,243 | -21,543,244 |