Henry is saving money for college. he earns $210 each week working part time after school and the weekends. henry currently has $2,240 in savings. his parents put $100 in his savings account each week and he saves one-third of his paycheck each week. which expression represents the situation? (n represents the number of weeks) a) 2,240 + 170n b) 2,240 + 310n c) 2,240 + 210n + 100n 3 d) 2,240 + 210n + 100n 3 eliminate

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %