Q: What is the negative version of the number 721,641,066?
A: -721,641,066
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:
| 721,641,064 | 721,641,065 | 721,641,067 | 721,641,068 |
| -721,641,064 | -721,641,065 | -721,641,067 | -721,641,068 |