x=24.5x = 24.5x=24.5 correct to 3 significant figures
y=4.118y = 4.118y=4.118 correct to 3 decimal places
By considering bounds, work out the value of k k\,k to a suitable degree of accuracy. Give a reason for your answer.
52 exam-style questions on OCR GCSE Maths Bounds. Each one has a worked solution and a mark scheme showing where the marks go.