Jake’s cameras purchased a digital camera at a wholesale cost of $80. they marked up the price 50 percent above the wholesale cost to use as their selling price. after every month that the camera didn’t sell, the store reduced the selling price by 25 percent. after how many monthly price reductions did the price dip below the wholesale cost? after 2 monthly price reductions after 3 monthly price reductions after 4 monthly price reductions after 5 monthly price reductions

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 %