[填空题]
A water tank is the a1 l 8:rq+.bod 32kwbge+pfkccm e8-d shape of b1ww3o( oof3da 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.)