Problema Solution
2. John measures the patio in his yard and records its width as 4.1 m and its length as 4.9 m. He rounds his measurements to the nearest meter and estimates that the patio in his yard is about 20 square meters. What is the percent error of his estimate? Round your answer to the nearest tenth of a percent.
Answer provided by our tutors
(4.1*4.9 - 20)/(4.1*4.9) = 0.09/20.09 = 0,0045 or 0.45% or 0.5% to the nearest tenth of percent.