Arecipe for apple cake needs 10 ml of baking powder, 70 ml of butter, 190 ml of sugar and 420 ml of flour. this is enough to make a cake for 8 people. how much of each ingredient would be needed to make a cake for 20 people?

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 %