Use your calculator to work out 34.8−12.553.12\displaystyle \frac{\sqrt{34.8 - 12.55}}{3.1^2}3.1234.8−12.55
Write down all the figures on your calculator display.
Write your answer to part (a) correct to 2 decimal places.
55 exam-style questions on WJEC GCSE Maths Using a Calculator. Each one has a worked solution and a mark scheme showing where the marks go.