Ahigh tech company operates a satellite which can measure the size of features on the surface of the earth. they use this technology to measure a particular rectangular field and find it's length to be 566 \pm± 1.72 (in meters) and it's width to be 82 \pm± 1.74 (in meters). they plan to report the area of the field as a\pm\delta aa ± δ a in units of acres. (1 acre = 4840 square yards & 1 meter = 1.094 yards) what is \delta aδ a?