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The surface area of a rectangular prism is calculated using the formula:
Surface Area = 2lw + 2lh + 2wh
Given dimensions are:
Length (l) = 334 dm
Width (w) = 412 dm
Height (h) = 5 dm
Plugging these values into the formula:
Surface Area = 2(334*412) + 2(334*5) + 2(412*5)
Surface Area = 2(137688) + 2(1670) + 2(2060)
Surface Area = 275376 + 3340 + 4120
Surface Area = 282836 dm^2
Therefore, the surface area of the rectangular prism is 282836 dm^2.