[填空题]
A water tank is the shrrev/b0,n6o k;ghi 2sw8 8vnk bb t-j8ape of a cube withy u8(yeh8ig4u6/racmm +tl9x 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.)