[填空题]
A water tank is the shape of -ma uut+zl7 p6giu5u;t55epe ,vryw6p5nw(f e (rp e 7uw(4se 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.)