The attendance at a football match, NNN, is recorded as 1,800 1,800\,1,800 people, correct to 2 significant figures.
Write down the error interval for NNN.
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.