d=560d = 560d=560 correct to 2 significant figures
t=8.4t = 8.4t=8.4 correct to 1 decimal place
By considering bounds, work out the value of v v\,v 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.