Chemistry, 31.08.2021 22:00, yvettegonzalez3390yg

The area of a telescope lens is 6.439 × 103 mm2. (a) What is the area in square feet (ft2)? Enter your answer in scientific notation. (b) If it takes a technician 43.5 s to polish 1.53 × 102 mm2, how long does it take her to polish the entire lens?

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The area of a telescope lens is 6.439 × 103 mm2. (a) What is the area in square feet (ft2)? Enter yo...