A red giant star has a mass of 5.4 × 1030 kg.
A massive blue giant star has a mass of 9.0 × 1031 kg.
Calculate the value of
mass of this red giantmass of the blue giant \frac{\text{mass of this red giant}}{\text{mass of the blue giant}} mass of the blue giantmass of this red giant12 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.