(a(i))[2]
Calculate the volume of the cylinder and show that it rounds to $50900\text{ cm}^3$, correct to 3 significant figures.
(a(ii))[3]
Calculate the height, h, of the empty space in the container.
(a(iii))[4]
Calculate the greatest number of these cups that can be filled completely from the 30 litres of coffee in the container.
(b(i))[3]
Calculate the radius, r, and show that it rounds to 3.3 cm, correct to 1 decimal place.
(b(ii))[4]
Calculate the cone's curved surface area.