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).
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its would be 11 root 2 just have the 11 outside then put 2 under the square root symbol
i is the symbol for an imaginary number, a complex number with the property i2=-1. The square root of a negative number is the square root times i. For example, the square root of -9 = 3i.
The symbol for a a square root sign is: √
The mathematical symbol one can use when finding the square root of a number is y2=a. In other words y is a square number as a result of multiplying the number by itself (y x y)
To find the square root of a number you would use the square root symbol on the calculator, √, then enter the number. Ex.: √25=5.