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Any number, A, raised to some power, x, can be written in the form, A^x in keyboard form.E.g. five squared would be written 5^2.
The symbol for squared is ², for example, 2 squared would be 2².
Unfortunately you cannot writ a sq. root symbol on the computer, so you could just say 'squared.'
There is a shortcut to making ² symbol, and it is Alt0178, which is hold down Alt button and while held down type 0178 numbers then release Alt button. Maybe there are special keyboards that can be bought that have it included; not sure.
A symbol name that can be displayed on a keyboard might include the pound sign or the number symbol. The dollar symbol can also be displayed on the keyboard.
@ It is the symbol above the number 2 on the QWERTY keyboard.
You click on the foot and inch symbol on your keyboard.
The generally accepted way to type powers of a number is by using the carat symbol, or "^." So five to the second power (or squared) is 5^2.
The "&" symbol is called an ampersand.
The '&' symbol is called ampersand.
This is the symbol &. It means and.
You can ask your math teacher