Density is the ratio of mass to volume. If a uranium nucleus has a radius of 7.4 femtometers and nuclear mass of 238 AMU, what is its density in kg/m3? Assume the nucleus is sphere-shaped to find its volume. How does the density of a uranium nucleus compare to the density of water, which has a density of 1000 kg/m3 at 4 degrees Celsius?

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