If 1.4% of the mass of a human body is calcium,how many kilograms of calcium are there in a 165-pound man? A) 1.0 kg Ca B) 5.1 kg Ca C) 1.0 × 10² kg Ca D) 5.1 × 10² kg Ca

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First, convert the man's weight from pounds to kilograms: 165 pounds * (1 kg / 2.20462 pounds) ≈ 74.84 kg. Then, calculate the mass of calcium: 1.4% of 74.84 kg ≈ 1.0476 kg, which rounds to approximately 1.0 kg of calcium.

If 14% of the Mass of a Human Body Is Calcium,how