4 kg, exactly as in the question.
4 kg, exactly as in the question.
4 kg, exactly as in the question.
4 kg, exactly as in the question.
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A kilogram is a measure of mass therefore a kilogram of lead and a kilogram of feathers have the same mass: one kilogram. They would, however, have different volumes and densities.
you would write it as '4 1/5' or '4.2'
Either 0.3kg or 300g
If our ratio was 3:4. Then we would write it as 3/4. Formula A:B = A/B.
You would write it as 5 feet 4 inches - as in the question!