[填空题]
A water tank is the shape of a vluvzt7i;cw: 9a-bd. f 4 f+pfx( xg5rcube witk:zvir w,ps)ot7mw+xup+ze2t 7 -/qth 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.)