Exam-style question
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Which value is most appropriately represented as a real number for measurement?.
- A.9 computers
- B.14 students
- C.3.75 metres
- D.21 files
Model answer
What a good answer should say
- 3.75 metres
Explanation
Why this works
A measurement can have a fractional part, such as 3.75 metres, so a real number is appropriate. The other values represent counts of separate items.
Common mistake
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