[填空题]
A water tank is the shaojd3btbin5/(1 1 jaiy pjwe w658 zuu1x xd eelxtsu56z:e43*qe of 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.)