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 Description  
 Radicand:  The number underneath the root symbol. So, in , the a is called the radicand.

Number

Radical

Radicand

Exponential Form

How to read

Notes

 5

"square root of 5" The radical sign with no numbers is the square root symbol

 

b

 
"cube root of b"

 

25

"fifth root of 25" In fractional exponents, the numerator is the number of times the radicand is used as a factor, and the denominator is the root.

 

 
"ath root of b raised to the c power" The exponent can be negative. A negative in the exponent means to take the reciprocal of the number. For example, b-c/a = 1/ .