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How much of sand is needed for 100 square feet of roof slab of 5 inch thickness?
Wiki User
∙ 11y ago
There are 12 inches per foot. Therefore, the volume of sand required is 100 X 122 X 5 cubic inches or 7 X 104 cubic inches, to the number of significant digits justified by the least precisely stated data point, 5 inches. If all the integers specified are considered exact, then the answer is 72,000 cubic inches.
Wiki User
∙ 11y ago
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