Which is the best estimate of the area of a rectangular solar panel of length 84±2 cm84 \pm 2\text{ cm}84±2 cm and width 38±3 cm38 \pm 3\text{ cm}38±3 cm?
3200±5 cm23200 \pm 5\text{ cm}^23200±5 cm2
3200±6 cm23200 \pm 6\text{ cm}^23200±6 cm2
3200±300 cm23200 \pm 300\text{ cm}^23200±300 cm2
3192±328 cm23192 \pm 328\text{ cm}^23192±328 cm2
