Signature Figures (IB Chemistry)
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Last updated 4:13 AM on 9/7/25
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5 Terms
1
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What is rule 1
All nonzero digits in a measurement are significant.
2
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What is rule 2
Zeros that appear between other nonzero digits are always significant.
3
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What is rule 3
Zeros that appear in front of all of the nonzero digits are called left-end zeros. Left-end zeros are never significant.
4
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What is rule 4
Zeros that appear after all nonzero digits are called right-end zeros. Right-end zeros in a number that lacks a decimal point are too significant.
5
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What is rule 5
Right-end zeros in a number with a decimal point are significant. this is true whether the zeros occur before or after the decimal point.
Note 
Flashcards (73)