The number of significant figures in 4.0030 is:
Correct answer: B. Five
- A. Four
- B. Five
- C. Two
- D. Three
Explanation
Five: There are five significant figures in 4.0030. All the digits (4, 0, 0, 3, and 0) are non-zero and the trailing zero after the decimal point indicates precision, making it significant.
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