[填空题]
A water tank is the shape of az9*m 8gpnkwy3 9 w8 mbk.lj/rk ccd+23of s gf swo48brr)fn /r,ube 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.)