The perimeter of a surface of a cube is 2 decimeters. What is its volume? What is its surface area?

The perimeter of a surface of a cube is 2 decimeters. What is its volume? What is its surface area?

2÷4=0.5
The volume is 0.5x0.5x0.5 = 0.125 cubic decimeter
The surface area is 0.5x0.5x6 = 1.5 square decimeters