The mass of a metal block, m m\,m kg, is measured as 12.83 kg to 2 decimal places.
Write down the error interval for mmm.
Practise OCR GCSE Maths Error Intervals with exam-style questions for Foundation and Higher tier. 84 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.