Q: What is the symbol used to represent the nonnegative square root of a number?

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There are no explicit symbols. The non-negative square toot is called the principal square root.

The symbol used to indicate a nonnegative square root.

it looks like a check mark. it is called the radical. it looks like this --> √

b

The 'radical': √

A symbol to help people

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No negative number can have a real square root.In math and engineering, the symbol ' i ' is used to representthe square root of -1 .Then the square root of -19 can be written as 4.3589 i (rounded).

Negative square root is -√Square root of negative one is i.

The symbol you should be looking for is " √ ".

The atomic number.

The mass number

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).

the symbol scientists use to represent the atomic mass number is the letter U.

Because there is no "real" sqrt of a negative number, i is used as a symbol, eg sqrt -4 = 2i

Variable: A letter or symbol used to represent a number or quantities that vary

The is only one unambiguous way and that is to use the modulus, thus: |√x| Some people do use +√x but, of course, this could be mean add the square root -whatever its sign.

roman numerals

A variable

variable

A variablẹ

it is any letter or mathematical symbol that represent a number or a set of number

Barium, Atomic Number 57

It is called a variable