Question 48902
{{{(sqrt(4))}}} = {{{(4^(1/2))}}}=2
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Looking closer at the exponent of (1/2), the numerator represents the power or degree; the denominator represents the radical. So, "1" is the power, and "2" is the square root.
 
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Another example is:
{{{(sqrt(9))}}} = {{{(9^(1/2))}}} = 3