[填空题]
A water tank is the shapenf ze 090a2dr/j,jilq rm pmm1 *b5df24yaub4of 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.)