[填空题]
A water tank is the sha0t9/j,t ru r eak;b*cvpe of a cube with k2kapp8r4nv 9sides 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.)