Please help!!! Giving brainliest and extra points!!!! (Click on the photo)

Answer:
2400 inches cubed
Step-by-step explanation:
The formula for the volume of a rectangular prism is:
V=whl
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So the formula is telling us to multiply the width, height, and length together. So in that case:
10 × 12 × 20 = 2400
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Have a good day :)