E=684E = 684E=684 correct to 3 significant figures
T=7.6T = 7.6T=7.6 correct to 1 decimal place
Write down the lower bound and upper bound for E E\,E and ttt.
By considering bounds, work out the value of P P\,P to a suitable degree of accuracy. Give 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.