I tried Claude and got this… * What’s heavier? 9.99 kg of super dense lead or 10 kg fluffy feathers?* Let me think about this step by step: 1. We're compari

I tried Claude and got this… * What’s heavier? 9.99 kg of super dense lead or 10 kg fluffy feathers?* Let me think about this step by step: 1. We're comparing two masses: * 9.99 kg of lead * 10 kg of feathers 2. The density of the materials doesn't affect their mass: * While lead is indeed much denser than feathers * A kilogram is a unit of mass, not volume * 1 kg of any material has the same mass as 1 kg of any other material 3. We can directly compare the numbers: * 10 kg > 9.99 kg Therefore, 10 kg of feathers is heavier than 9.99 kg of lead. The feathers would take up much more space (volume) due to being less dense, but they have a greater mass.