Answer:
1. 24,000cm³
2. 729m³
Step-by-step explanation:
1. Formula for a rectangular prism: length × width × height = Area;
A = lwh
A = (40cm)(20cm)(30cm)
A = 24,000cm
2. Formula for a cube: side × side × side or side³
A = s³
A = (9m)³
A = 729m³
