Convert between Radical and Exponential Form Worksheets Radical and Exponential Form Worksheets. Swing into action with this batch of pdf worksheets and understand the relationship between an exponential and radical notation in terms of fractional powers. Split into two parts, these printable worksheets offer invaluable practice in converting between radical and exponential forms. Remember this rule: the denominator of the fractional exponent is the index of the radical, and the numerator is the power of the base.