How do you rewrite into radical form (b^2)^(3/4)?

$b \sqrt{b}$
${\left({x}^{a}\right)}^{b} = {x}^{a \times b}$
${x}^{\frac{a}{b}} = \sqrt[b]{{x}^{a}}$
(b^2)^(3/4)=b^(2×3/4)=b^(3/2)=sqrt(b^3)=bsqrt(b)