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Question
State the number of significant figures in the following:
6.320 J
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Solution
6.320 J has four significant figures.
Explanation:
The digits 6, 3, and 2 are significant as they are non-zero, and the trailing zero after the decimal point is also significant because it shows precision in the measurement, indicating that the value is accurate to the thousandth place. This helps communicate the exactness of the quantity measured.
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