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How many significant figures are there in a substance with a mass of 504.30 grams?
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3
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4
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5
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6
That's Correct!
It's Wrong!
In the mass of 504.30 grams, there are five significant figures.
Explanation:
All non-zero digits are significant.
Zeros between non-zero digits are significant.
Trailing zeros in a number containing a decimal point are significant.
So, in the number 504.30:
The digits 5, 0, 4, 3, and the final 0 are all significant.