E=642E = 642E=642 correct to 3 significant figures
T=7.4T = 7.4T=7.4 correct to 1 decimal place
By considering bounds, work out the value of P P\,P to a suitable degree of accuracy, giving a reason for your answer.
193 exam-style questions on Eduqas GCSE Maths Bounds. Each one has a worked solution and a mark scheme showing where the marks go.