Use your calculator to work out 12.74+76.25×3.2\displaystyle \frac{12.74 + \sqrt{7}}{6.25 \times 3.2}6.25×3.212.74+7
Write down all the figures on your calculator display.
Write your answer to part (a) correct to 2 significant figures.
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.