Lumos StepUp High School Algebra 1 - Mathematics Practice test + Workbook Choosing an Appropriate Level of Accuracy for Measurements

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A manufacturing engineer is estimating the area of a cross section of a hydraulic cylinder. The diameter of the cylinder is $$4.5\; {\rm cm}$$, rounded to the nearest half centimeter. What is the minimum area of the cross section? Use $$\pi =3.14$$ in your calculations.

Do not include units and round your answer to the nearest three decimal places.

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