Q: What is the negative version of the number 421,242,140?
A: -421,242,140
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:
| 421,242,138 | 421,242,139 | 421,242,141 | 421,242,142 |
| -421,242,138 | -421,242,139 | -421,242,141 | -421,242,142 |