You have the comma style that will do it from the toolbar, or you can do it by using the numeric format called Number and ticking the "Use 1000 Separator" tick box.
the excel number format that applies a thousand comma separate where appropriate inserts a fixed us dollar sign aligned at the left edge of the cell applies two decimals places and leaves a small amount of space at the right edge of the cell to accommodate a parenthesis for negative numbers is the what? The answer is accounting number format
In Excel, valid characters for use in a number entry include digits (0-9), a decimal point (.), and a negative sign (-) for negative numbers. Additionally, numbers can include commas (,) as thousand separators, depending on regional settings. However, other characters such as letters or special symbols (except for the ones mentioned) are not valid in number entries.
Two thousand is written 2000. Some countries use separators to mark off thousands and millions. In England and Ireland these are usually commas, and 2000 would be written as 2,000.
Zero
When trying to work out how to pronounce large numbers it helps to put in the separators - so that 1000000000 becomes 1,000,000,000. This makes it easier to see the thousands and millions etc. That is spokeof as either "a billion", or "a thousand million".
It would appear that these are a selection of numbers from Z, the set of integers - written without any separators.
The comma style will format numbers with two decimal places and insert commas as thousand separators. So if you had a number like 3455679 in a cell and formatted it as comma style, it would come up as:3,455,679.00
For only the digits: 5,888,896. More if there are commas as thousands separators (as in this answer), or spaces between numbers (999,999 of those).
Auto-correct options
The product of three negative numbers is negative.
They will be negative numbers as for example -5+(-7) = -12
No. Whole numbers are counting numbers and zero.