Question
Determine the number of significant figures in the measurement 0.000450 s . Express your answer numerically as an integer. View Available Hint(s) Submit
Ask by Wang Bowman. in the United States
Jan 24,2025
Real Tutor Solution
Tutor-Verified Answer
Answer
There are 3 significant figures in 0.000450 s.
Solution
The number **0.000450 s** has **3** significant figures.
**Explanation:**
- **Leading zeros** (the zeros before the digits 4 and 5) are **not** significant.
- The digits **4** and **5** are significant.
- The trailing zero after the 5, since it is after the decimal point, is also significant.
Thus, there are **3** significant figures.
**Answer:**
3
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Simplify this solution Beyond the Answer
In the measurement 0.000450 s, the leading zeros are not significant; they merely indicate the position of the decimal point. However, the digits "450" have significance. The trailing zero (the last zero in "450") is significant because it indicates the precision of the measurement. Therefore, the number of significant figures in 0.000450 s is 3. 3
