[填空题]
A water tank is the shape10.jt( fgzpvttu ywh 1 ohrsgq*:5,l; of kl6cm6q vn7; fdey:e;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.)