A student found that the dimensions of a rectangle were 1.20 cm and 1.40 cm he was asked to report the area using the correct number of significant digits he reported the area as 1.7 cm² explain the error the student made
Area of a rectangle is l x w the student multiplied 1.2 x 1.4= 1.68 cm^2 the student should have NOT rounded the answer, the problem said use significant digits
