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If you are talking about writing the index on the radical symbol in LaTeX (or a front end for LaTeX like LyX), you write the index in square brackets and the argument in curly braces after the standard square root code, or more readily exemplified:
\sqrt[3]{8}=2
If you are talking about writing longhand, one super scripts the index a size or two smaller prior to the radical sign.
If you're word processor doesn't seem to have such an option, remember you can always write in the equivalent notation where the index is the denominator of the exponential; using the same example:
8^(1/3) = 2
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What symbol is used before a number to make it a label?
The symbol used before a number to make it a label is a hash sign (#).
How do you make a square root symbol on keyboard?
It is 221A + Alt X
Make a rectangle tha covers 8 square units and has a perimeter of 12 units around the outside?
make a rectangle that covers 8 square units inside and has a perimeter of 12 units around the outside
How do you make the square number small than the other number?
Select the other number so that it is bigger than the square number!
How do you make a square root symbol on your keyboard?
press alt and then v (at least it worked on mine)
