Question

Please please help me I linked some photos. Can you please help me solve.

Answer 1

$\sqrt{x} = {x}^{ \frac{1}{2} }$

so

$\sqrt{ {x}^{18} } = {( {x}^{18}) }^{ \frac{1}{2} } = {x}^{9}$

$0.1 \sqrt{ {a}^{6} } = 0.1 \times {a}^{3}$