Question:
The number of significant figures in the quantity 5.6200 J is:
The number of significant figures in the quantity 5.6200 J is:
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In decimal numbers, trailing zeros are always significant and indicate measurement precision.
Updated On: Jun 19, 2026
- 3
- 5
- 2
- 4
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The Correct Option is B
Solution and Explanation
Step 1: Identify the given number.
The given quantity is \( 5.6200 \, \text{J} \). We need to count the number of significant figures in this decimal number.
Step 2: Rule for significant figures.
All non-zero digits are significant. Zeros between non-zero digits are significant. Also, trailing zeros in a decimal number are significant.
Step 3: Analyze the digits in 5.6200.
The digits are: 5, 6, 2, 0, 0.
Here, both zeros are trailing zeros after the decimal point, so they are significant.
Step 4: Count the significant figures.
Thus, total significant figures are: \[ 5, 6, 2, 0, 0 \Rightarrow 5 \text{ significant figures} \]
Step 5: Final verification.
Since no leading zeros are present and all digits contribute to precision, the count remains unchanged.
Step 6: Final conclusion.
Therefore, the number of significant figures is 5.
Final Answer: \[ \boxed{5} \]
The given quantity is \( 5.6200 \, \text{J} \). We need to count the number of significant figures in this decimal number.
Step 2: Rule for significant figures.
All non-zero digits are significant. Zeros between non-zero digits are significant. Also, trailing zeros in a decimal number are significant.
Step 3: Analyze the digits in 5.6200.
The digits are: 5, 6, 2, 0, 0.
Here, both zeros are trailing zeros after the decimal point, so they are significant.
Step 4: Count the significant figures.
Thus, total significant figures are: \[ 5, 6, 2, 0, 0 \Rightarrow 5 \text{ significant figures} \]
Step 5: Final verification.
Since no leading zeros are present and all digits contribute to precision, the count remains unchanged.
Step 6: Final conclusion.
Therefore, the number of significant figures is 5.
Final Answer: \[ \boxed{5} \]
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