[填空题]
A water tank is the shape of a cube with sides o *:wi18usw.: litljzkf po ; bb-,wwo4x l0av*t$3.00 \mathrm{~m}$. Each side is measured with an uncertainty of $1.0 \%$. What is the absolute uncertainty in the volume of the tank? (Give your answer without a unit and to 2 significant figures)