Fractional (Rational) Exponents is defined in the form of Am/n, where A is a real number, m, n are natural numbers (n>=2).
Am/n is equivalent to its Radical Notation form (n√A)m.
For Example:
93/2 = (√9)3 = 33 = 27.
84/3 = (3√8)4 = 24 = 16.
52/3 = (3√5)2 = (1.71)2 = 2.924.