please solve

Consider the expression given below. Simplify this expression into the form $A\sqrt{B}$

and place the appropriate expressions into the boxes shown below:

$\sqrt{4{\mathrm{x^}}^{13}}$

$\sqrt{{}^{}}$

$A=$ and

$\sqrt{{}^{}}$

$\sqrt{{\mathrm{}}^{}}$

$\sqrt{{\mathrm{<br>}}^{}}$