Use your calculator to work out 197.76−81.9211.882\displaystyle \frac{\sqrt{197.76 - 81.92}}{11.88^2}11.882197.76−81.92
Write down all the figures on your calculator display.
Write your answer to part (a) correct to 2 decimal places.
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.