Niamh was driving back home following a business trip. She looked at her Sat Nav at 1730
Time
1730
Distance to destination 143 miles
Niamh arrived home at 1942
Work out the average speed of the car, in mph, from 1730 to 1942
You must show all your working.
Total marks: 4

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 %