If 1.4% of the mass of a human body is calcium,how many kilograms of calcium are there in a 173-pound man? A)1.1 kg Ca B)5.3 kg Ca C)1.1 × 10² kg Ca D)5.3 × 10² kg Ca

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First, convert the man's weight from pounds to kilograms: 173 pounds ≈ 78.47 kg (using the conversion 1 pound ≈ 0.453592 kg). Then, calculate 1.4% of 78.47 kg to find the mass of calcium: (1.4/100) * 78.47 kg ≈ 1.09858 kg, which rounds to approximately 1.1 kg of calcium.

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