For ordinary rounding, what inequality form is used for an error interval?
a≤x<ba \le x < ba≤x<b.
Flashcards for Edexcel GCSE Maths Error Intervals, covering the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3. 20 cards, matched to the Edexcel GCSE Maths (1MA1) specification.