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[DOCX File]SIGNIFICANT FIGURES - Weebly
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All the measurements are accurate to the hundredth place (absolute precision) but the answer is rounded to 3 significant figures because 3.92 has only 3 significant figures (relative precision). In Summary: Adding and Subtracting Multiplying and dividing #’s with ( notation Rule 1 Don’t Do This Case #’s with significant figures Rule 2
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[DOCX File]Rounding and Significant Digits - Trent University
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has three significant digits, thus . 0.0123. must also have three significant digits. 7. Any zeros to the right of a number and the right of a decimal point are significant. The value . 0.012300. and . 25.000. both contain five significant digits. The reason for this is that significant figures indicate to . what place a measurement is made.
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[DOC File]Significant Digits Handout
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3. If a decimal point is expressed, all zeroes following non-zero digits . are. significant; e.g., the measurement 30.00 kg has four significant figures. 4. If a decimal point is not explicitly expressed, zeroes following the last non-zero digit . are not. significant, they are . place holders only; e.g., the measurement 160 N has two ...
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[DOC File]Significant Digits
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All digits 1-9 inclusive are significant. Example: 129 has 3 significant figures. Zeros between significant digits are always significant. Example: 5,007 has 4 significant figures. Trailing zeros in a number are significant only if the number contains a decimal point. Example: 100.0 has 4 significant figures. 100 has 1 significant figure.
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[DOC File]SIGNIFICANT FIGURES
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(3) Zeroes to the left of the first nonzero digits are not significant; such zeroes merely indicate the position of the decimal point: 0.001 oC has only 1 significant figure, 0.012 g has 2 significant figures. (4) Zeroes to the right of a decimal point in a number are significant: 0.023 mL has 2 significant figures, 0.200 g has 3 …
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Unit Conversions 2 - Scientific Notation and Significant Digits
0.00035 has two significant digits (only the 3 and 5 tell us something; the other zeroes are placeholders, only providing information about relative size) 0.000350 has three significant digits (that last zero tells us that the measurement was made accurate to that last digit, which just happened to have a value of zero)
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[DOC File]Significant Digits
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Significant digits apply only to measurements, estimates, and rounded values. If there are 24 students in your classroom, that is an exact number with no error, and has an infinite number of significant digits, not just 2. Counting does not limit your significant digits, but estimating does.
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Which value has only 3 significant digits