
a=12.4a = 12.4a=12.4 cm correct to the nearest mm
b=15.7b = 15.7b=15.7 cm correct to the nearest mm
Calculate the lower bound for ccc.
You must show all your working.
Give your answer to 3 significant figures.
52 exam-style questions on Edexcel GCSE Maths Bounds. Each one has a worked solution and a mark scheme showing where the marks go.