what is
 






 

Question by  walbers (2)

What is the sign preceeding a number?

It looks like a check mark with a hook at the front.

 
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Answer by  monkeyz (3150)

If you mean this symbol: √, then it is a sign indicating the square root of a number. So for example, if you see that symbol and then the number 26, it means "the square root of 26."

 
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Answer by  NoblesseOblige (444)

From your explanation of the symbol, it is most likely the sign for 'square root,' a mathematical term used in all sorts of things. A square root is a number that can be squared, 'prime numbers.' These numbers can only be multiplied by 1 to get that number.

 
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