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Unformatted text preview: (3/7)x + (2/7)y + (6/7)z 12/9/08 7:43 PM Section 11.4 Page 2 of 2 http:[email protected][email protected] Use the linear approximation to approximate the following number. Give your answer correct to 3 decimal places. 6.976 6.976 4. [SCalcCC2 11.4.26.] 3/3 points The dimensions of a closed rectangular box are measured as 80 cm, 60 cm, and 50 cm, respectively, with a possible error of 0.2 cm in each dimension. Use differentials to estimate the maximum error in calculating the surface area of the box. 152 152 cm 2 5. [SCalcCC2 11.4.28.] 3/3 points Use differentials to estimate the amount of metal in a closed cylindrical can that is 10 cm high and 4 cm in diameter if the metal in the top and bottom is 0.1 cm thick and the metal in the sides is 0.05 cm thick. 8.796 8.8 cm 3...
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