[填空题]
A water tank is the shape of a cube withvup:y8fi*;*, dlujx r sides79kmk3d 9+suxp/ vq9p3bxwtg 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.)