[填空题]
A water tank is the shapss 9 m3h:s0dpee y*.7je xph5 pzxqaw (:of 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.)