How many different C-signs together regulate length, width, height and mass (C17, C18, C19, C21 — with a number on the sign)?
Correct answer: 4 borden
Explanation
Correct: 4.0 borden.
Topic: Closure signs C: who, what and which number is barred
Read the rule: Core: Closure signs C: who, what and which number is barred
Sections
- Challenge: Closure signs C: who, what and which number is barred
- The model: Closure signs C: who, what and which number is barred
- Core: Closure signs C: who, what and which number is barred
- Why it matters: Closure signs C: who, what and which number is barred
- Active recall: Closure signs C: who, what and which number is barred
- Teach back: Closure signs C: who, what and which number is barred
- Memory hook: Closure signs C: who, what and which number is barred