An empty container has a mass of 0.180 kg. The container and its contents have a mass of 735 g. What is the mass of the contents in kilograms?
0.717 kg0.717\ \mathrm{kg}0.717 kg
0.915 kg0.915\ \mathrm{kg}0.915 kg
0.555 kg0.555\ \mathrm{kg}0.555 kg
0.0555 kg0.0555\ \mathrm{kg}0.0555 kg
39 exam-style questions on Edexcel GCSE Physics 1.1 Units and quantities, covering 1.1.1 SI units for physical quantities and 1.1.2 Unit prefixes, conversions, significant figures and standard form. Each one has a worked solution and a mark scheme showing where the marks go.