The mass of a bag of flour m m\,m is given as 42.3 kg, rounded to 3 significant figures.
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.
