Q: What is the negative version of the number 421,242,138?
A: -421,242,138
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:
| 421,242,136 | 421,242,137 | 421,242,139 | 421,242,140 |
| -421,242,136 | -421,242,137 | -421,242,139 | -421,242,140 |