Exam-style question
Try this first
Which number is in standard form with exactly four significant figures?.
- A.42.00 × 10³
- B.4.200 × 10⁴
- C.420.0 × 10²
- D.0.4200 × 10⁵
Answer and explanation
Attempt the question first, then reveal the model answer and explanation.
Common mistake
No common mistake is linked to this question yet.