[填空题]
A water tank is the sh-+g ole-u, k *nug+hgudw(a2g 9l,ev iape ksx oxk3m6 - 5 knubp,pyrze6 4pa( sl37tgs86of 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.)