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What is the symbol for a a square root sign?
The symbol for a a square root sign is: √
What does a square root symbol?
The only thing that a square root symbol does is that it symbolises an operation (taking the square root) of whatever is under the sign.
What is a symbol that is used to indicate the square root?
This
What is a square root symbol known as?
A radical.
What is the number outside the square root symbol?
It's a little hard to be sure what you mean by this question without seeing what you are looking at. I can think of two likely possibilities: 1. A number which is the same size as the square root symbol and written at the same level but located just in front of the symbol. This would just be a multiplier. 2. A smaller, superscripted number, possibly tucked into the angle at the front of the square root symbol. In this case, it isn't really a square root symbol anymore. It's a symbol for the root indicated by the superscriped number. For instance, if the superscripted number is a three and the number inside the root symbol is 8, this would represent the cube root of 8, or 2 (2x2x2=8).
