[填空题]
A water tank is the shabg lglh)s )*o(pe lfgepg w;,u 00+6 gy xip+ny/tof a cube with sides of $3.00 \mathrm{~m}$. 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.)