g=12.7g = 12.7g=12.7 correct to 3 significant figures
h=9.294h = 9.294h=9.294 correct to 3 decimal places
By considering bounds, work out the value of f f\,f 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.