9.4 √[3]{a²}⋅√[6]{a⁵}.

$$ \sqrt[3]{a^2} \cdot \sqrt[6]{a^5} = a^{\frac{2}{3}} \cdot a^{\frac{5}{6}} = a^{\frac{2}{3} + \frac{5}{6}} = a^{\frac{4}{6} + \frac{5}{6}} = a^{\frac{9}{6}} = a^{\frac{3}{2}} $$

Ответ: a^(3/2)