we can write it as "a2"
Meters squared can be expressed as m2.
If you want to show four squared, write the two as a superscript like this: 42
Unfortunately you cannot writ a sq. root symbol on the computer, so you could just say 'squared.'
Write the number 2 in superscript (that is, a small number to the upper right). If you're trying to do it by computer and you don't have the option to use superscript, the standard is to put a caret and then a 2. Here's an example of how to write 5 squared: 5^2 Incidentally, this is the same way you write a number to any other power.
You write it as 1m2
Seven squared is 49, or 49.0 in decimal form.
9 squared (or 92) = 9 x 9
32 squared is 32 x 32 or 32^2 or 1,024.
You can write 4 squared by writing a 2 in superscript after the number 4. (42) If you can't use superscript because you're using a computer program that does not allow it writing 4^2 would be an acceptable substitute. In Microsoft word you can activate superscript by pressing Ctrl+Shift+Equals
The standard notation of 5 squared (5x5 or 52) is 25
1000000000 km squared
You write meter squared, or square meter, this way: m2 .