Iron has a density of 7.87 g/cm³. What mass of iron would be required to cover a football playing surface of 120 yds * 60 yds to a depth of 1.0 mm (1 inch = 2.54 cm; 1 lb = 453.6 g) A) 6.4 * 10³ lb B) 6.4 * 10⁴ lb C) 1.0 * 10⁵ lb D) 4.7 * 10⁷ lb E) 4.7 * 10⁸ lb

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The Answer of Iron has a density of 7.87 g/cm³. What mass of iron would be required to cover a football playing surface of 120 yds * 60 yds to a depth of 1.0 mm (1 inch = 2.54 cm; 1 lb = 453.6 g) A) 6.4 * 10³ lb B) 6.4 * 10⁴ lb C) 1.0 * 10⁵ lb D) 4.7 * 10⁷ lb E) 4.7 * 10⁸ lb

Iron Has a Density of 7