Mr. Hawkins is covering a wall with wallpaper. The room measures 14 feet by 12feet in a rectangular shape. Each square foot of wallpaper cost$2.90.What is the cost of adding wallpaper to the room

The table below shows the approximate masses of a dust particle and a grain of pollen. dust particle 0.000000778 g grain of pollen 0.00000000155 g the mass of a dust particle can be estimated and written in the form a × 10^b, where a = 8 and b = the mass of a grain of pollen can be estimated and written in the form a × 10^b, where a = 2 and b = based on the estimates, the mass of a dust particle is approximately blank times larger than the mass of a grain of pollen.