F=25.14F = 25.14F=25.14 N correct to 2 decimal places A=4.29A = 4.29A=4.29 m2 ^2\,2 correct to 3 significant figures
p=FA p = \frac{F}{A} p=AFp=p =p= pressure, F=F =F= force, A=A =A= area
By considering bounds, work out the value of p p\,p to a suitable degree of accuracy. Give a reason for your answer.
11 exam-style questions on Oxford AQA IGCSE Maths Bounds. Each one has a worked solution and a mark scheme showing where the marks go.