Write each of 68.7, 3.12 and 1.82 correct to one significant figure.
Hence, work out an estimate for the value of 68.7×3.121.82\displaystyle \frac{68.7 \times 3.12}{1.82}1.8268.7×3.12
247 exam-style questions on AQA GCSE Maths Estimating. Each one has a worked solution and a mark scheme showing where the marks go.