Find 2.25×3.24\sqrt{2.25 \times 3.24}2.25×3.24
Hence find 2.25×3.24×16\sqrt{2.25 \times 3.24 \times 16}2.25×3.24×16
192 exam-style questions on OCR GCSE Maths Using a Calculator. Each one has a worked solution and a mark scheme showing where the marks go.