Flashcard 3 - Mathematics Flashcard Set for the HiSET Test

\[\frac{2}{5}\]

In the expression \(\sqrt[a]{{{x^b}}},\) \(a\) is the index of the radical and \(b\) is the exponent inside the radical. If we change a radical expression to an expression with a rational exponent, the new expression has an exponent of \(\frac{b}{a}.\)