The Sun has a mass of 2.0 × 1030 kg. A particular red supergiant star has a mass of 8.0 × 1031 kg.
Calculate the value of:
mass of the Sunmass of this red supergiant \frac{\text{mass of the Sun}}{\text{mass of this red supergiant}} mass of this red supergiantmass of the Sun12 exam-style questions on Edexcel GCSE Physics 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.