public class MathMethods $\{$

public static void main$($String$[]$ args$)\{$

double x;

x $=$ Math.pow$(3\mathrm{.}0,$ Math.sqrt$(4\mathrm{.}0))$;

$//$ This will output $1$ decimal place

System.out.printf$("\%\mathrm{.}1$f

$",$ x$)$;

$\}$

$\}$