The side length of 1. cube is 8cm, its total side length is (96cm), its bottom area is (64cm2), its surface area is (384cm2) and its volume is (5 12cm3).

2. The length, width and height of a cuboid are10cm, 3cm and 2cm respectively, and the sum of its sides is (60cm). The bottom area is (30 square centimeters), the surface area is (1 12 square centimeters) and the volume is (60 cubic centimeters).

A cuboid water tank with a length of 5 decimeters, a height of 4 decimeters and a width of twice can hold 40 liters of water.

The sum of the sides of a cube is 48 decimeters, and its volume is (64 cubic decimeters).

5. Pour 72 liters of water into a water tank with a length of 8 decimeters, a width of 4.5 decimeters and a water depth of 2 decimeters.

6. Arrange five cubes with a side length of 1cm in a row, with a surface area of (22cm2). The volume is (5 cubic centimeters)

7. The cross section of a piece of wood is a square with a side length of 6 decimeters, the length of wood is 2.2 meters, and its volume is (0.792 cubic meters =792 cubic decimeters).