Question

which expression is the radical from of x^1.5

Answer 1

1) Write exponent as improper fraction
1.5=3/2
2)
$x^{\frac{b}{a}} = \sqrt[a]{x^{b}} \\ \\ x^{\frac{3}{2}} = \sqrt[2]{x^{3}}$

$or \sqrt{x^{3}} .$