A rectangle was drawn using
eo.mme -j 4;b2 zedwc9a ruler, such that each measurement has an uncertainty
e w 4-b.emdc;zmoj2 9eof $0.5 \mathrm{~cm} .$
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.)