The first significant figure in a number is the first [ ] digit.
The first significant figure in a number is the first non-zero digit.
Flashcards for AQA GCSE Maths Estimating, covering the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3. 22 cards, matched to the AQA GCSE Maths (8300) specification.