(2a)^0.5 x (3a)^2.5 simplify this
$$(2a)^{0.5}\times(3a)^{2.5}=2^{0.5}\times a^{0.5}\times3^{2.5}\times a^{2.5}$$
$$=2^{0.5}\times 3^{2.5}\times a^3$$
$$=(2\times 3)^{0.5}\times 3^2\times a^3$$
$$=9\sqrt{6}\times a^3$$
