Q: What is the negative version of the number 421,515,243?
A: -421,515,243
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:
| 421,515,241 | 421,515,242 | 421,515,244 | 421,515,245 |
| -421,515,241 | -421,515,242 | -421,515,244 | -421,515,245 |