The area of a telescope lens is 6.571 x 10^3 mm^2. What is the area in square feet (ft^2)? round your answer to 4 significant figures. If it takes a technician 52.2 seconds to polish 1.62 x 10^2 mm^2, how long does it take her to polish the entire lens? round your answer to 3 significant figures.

The area of a telescope lens is 6571 x 103 mm2 What is the area in square feet ft2 round your answer to 4 significant figures If it takes a technician 522 secon class=