Q: What is the negative version of the number 18,991,213?
A: -18,991,213
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:
| 18,991,211 | 18,991,212 | 18,991,214 | 18,991,215 |
| -18,991,211 | -18,991,212 | -18,991,214 | -18,991,215 |