This math topic focuses on computing the volume of various geometric shapes, where problems are expressed in decimals. It is part of an advanced unit on the volume and surface area of complex 3D shapes within geometry. The included shapes are: 1. Rectangular Pyramids 2. Cones 3. Cylinders 4. Spheres These problems likely enhance skills in applying volume formulas correctly and converting descriptive word problems to numerical calculations, testing proficiency in solving for the volume of mentioned shapes using provided dimensions. Each problem also offers multiple choices for answers, suggesting an evaluation of approximation abilities or precision in calculations.