A rectangle was drawn using a r
kwig )vq no:+2a;u,l ouler, such that each measurement has an uncertainty o
v o;:owlqa)n2 iu+gk, f $0.5 \mathrm{~cm} .$

What is the absolute uncertainty in the area of the entire rectangle (i.e. combined small and big rectangles), in $\mathrm{cm}^2$ ?
$cm^2$ (Do not write units with the answer. Give your answer to 2 significant figures.)