Answer:
541 1/2 ft³
Step-by-step explanation:
The volume of a rectangular prism is the product of its dimensions:
V = (9 1/2 ft)(6 ft)(9 1/2 ft) = (19/2 ft)²(6 ft) = 361·3/2 ft³ = 1083/2 ft³
V = 541 1/2 ft³
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The product is easily found using a calculator.