Q: What is the negative version of the number 21,878,212?
A: -21,878,212
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:
| 21,878,210 | 21,878,211 | 21,878,213 | 21,878,214 |
| -21,878,210 | -21,878,211 | -21,878,213 | -21,878,214 |