A single grain of fine windblown sand has a mass of 2.4 × 10-5 g. A boulder on a hillside has a mass of 3.0 × 102 kg.
Calculate the value of:
mass of the grain of sandmass of the boulder \frac{\text{mass of the grain of sand}}{\text{mass of the boulder}} mass of the bouldermass of the grain of sandGive your answer in standard form.
12 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.