[填空题]
A water tank is the shape of a cube wit+jb. pn3,eqq xh sides bliv 64 vjcjp6es0kh5;g: :yt0 .ljtsof $3.00 \mathrm{~m}$. Each side is measured with an uncertainty of $1.0 \%$. What is the absolute uncertainty in the volume of the tank? (please only input numerical value without units and without the $\pm$ symbol.)