Writing 4 as a decimal is straightforward. Since 4 is a whole number, it can be written as 4.0 in decimal form. The decimal point indicates that there are no fractional parts. Here’s how you can understand it:
- The number 4 is a whole number.
- To convert it to a decimal, you simply add a decimal point followed by a zero: 4.0.
- This does not change the value of the number; it just represents it in decimal form.
So, 4 as a decimal is written as 4.0.