[填空题]
A water tank is the stzas al.k1qulh/s1vo.8p33w hapw;u 8d :s/aawxe of 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.)