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How many significant figures are in a substance with a mass of 0.0504 grams?
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5
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4
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3
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2
That's Correct!
It's Wrong!
Remember the rules: All non-zero digits are significant. Zeros between digits are significant. Zeros in front of a number are not significant.
The zeros before the "5" are not significant because they serve as placeholders to indicate the decimal point's position and do not contribute to the precision of the measurement. Therefore, the number 0.0504 has three significant figures.
