[7] 2 b) A cardboard cost $0.0 03 r 2 for 1 box? pe cm . What would be the cost of the cardboard c) What would be the cost of 1 000 000 boxes? 4. The entrance to the Louvre in Paris us a square-base pyramid made of glass. Approximately how much glass is on the outside (not including bottom) 0! the pyramid given that the length of the square base is 36 m and the slant height I: 30 m? lA-4l