[填空题]
A water tank is the shap(wd5o wra/c s)1y4 phne of a cube with sides ofs2esr ynm6yt7f/+l+hp,*df +kp n y 4i $3.00 \mathrm{~m}$. 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.)