Significant Figures in Product

Q. The length, breadth, and thickness of a block are given by l = 12 cm, b = 6 cm and t = 2.45 cm The volume of the block according to the idea of significant figures should be

1. 1 X 10² cm³
2. 2 X 10² cm³
3. 1.763 X 10² cm³
4. None of these

Q. The cubic is an ancient unit of length based on the distance between that elbow and the tip of the middle finger of the measurer. Assume that the distance ranged from $43$ to $53cm$, and suppose that ancient drawings indicate that a cylindrical pillar was to have a length of $9$ cubits and a diameter of $2$ cubits. For the state range, what are the lower value and the upper value, respectively for
the cylinder's volume in cubic meters?