Use your calculator to work out 12.74+9.56.04×k\displaystyle \frac{12.74 + \sqrt{9.5}}{6.04 \times k}6.04×k12.74+9.5, where k k\,k is a positive constant.
Write down all the figures on your calculator display in terms of kkk.
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.