Q: What is the negative version of the number 21,949,142?
A: -21,949,142
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:
| 21,949,140 | 21,949,141 | 21,949,143 | 21,949,144 |
| -21,949,140 | -21,949,141 | -21,949,143 | -21,949,144 |