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Here are the solutions for the given problems:

1. Volume = l x w x h = 10m x 4m x 3m = 120 m3

Answer: A. 120 m3

2. Volume = l x w x h = 15 cm x 12 cm x 20 cm = 3,600 cm3

Answer: A. 3,600 cm3

3. Volume = s^3 = 14 cm x 14 cm x 14 cm = 2,744 cm3

Answer: B. 2,744 cm3

4. Volume = l x w x h = 14 m x 10 m x 9 m = 1,260 m3

Answer: C. 1,260 m3

5. Volume = s^3 = 8 m x 8 m x 8 m = 512 m3

Answer: C. 512 m3

Answer:

1. A

To find the volume of a rectangular prism, you multiply its length, width, and height. Given the measurements:

Length (l) = 10m

Width (w) = 4m

Height (h) = 3m

The volume (V) can be calculated as:

V = l * w * h

Substituting the given values:

V = 10m * 4m * 3m

V = 120m³

Therefore, the volume of the rectangular prism is 120 cubic meters (120m³).

2. A.

Given:

l = 15 cm

w = 12 cm

h = 20 cm

Volume (V) = l * w * h

Substituting the given values:

V = 15 cm * 12 cm * 20 cm

Calculating the volume:

V = 3,600 cm³

Therefore, the volume of the rectangular prism is 3,600 cm³.

3. ?

To solve for the volume of a rectangular prism or a cube, we need the measurements of length, width, and height. However, you have only provided the measurement "s = 14 cm." It is unclear whether "s" represents the length, width, or height.

4. C.

To find the volume of a rectangular prism, you multiply its length (l), width (w), and height (h). Given that l = 14 m, w = 10 m, and h = 9 m, we can calculate the volume as follows:

Volume = l × w × h

= 14 m × 10 m × 9 m

= 1260 m³

Therefore, the volume of the rectangular prism is 1260 m³.

5. ?