Rounding to significant digits

    • [DOC File]Significant Figures Practice Worksheet

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      Practice Problems for Significant Figures . RULE -1: If the decimal is . Present: Find the first non zero on the left, then count all digits to the . RIGHT. If the decimal is . Absent: Find the first non zero on the right, then count all digits to the . LEFT. RULE-2: Every digit in scientific notation is Significant. RULE-3: Any number that is counted is an EXACT number and has UNLIMITED ...

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    • [DOC File]s3-us-west-2.amazonaws.com

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      Rounding is the procedure of dropping non-significant digits in a calculation result . and adjusting the last digit reported. Look at the leftmost digit to be dropped: 1. If digit is greater than 5, add 1 to the last digit to be retained and drop all the digits farther to the right. Thus, rounding 1.2161 to 3 significant figures gives 1.22 . 2. If this digit is less than 5, simply drop it and ...

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    • [DOC File]Worksheet: Significant Digits & Rounding

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      Worksheet: Significant Digits & Rounding - Key. How many estimated digits are usually in a measurement? One. When is it not necessary to make an estimation when taking a measurement? When you are using an electronic (non-scaled) measuring device. When are nonzero digits significant in a measurement? Always. A zero in a measurement is significant if it is . a trailing zero after the decimal ...

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    • [DOC File]UNIT 1 Notes: Scientific Notation, Significant Figures ...

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      UNIT 1 NOTES: Scientific Notation, Significant Figures & Rounding, Metric Units (Chapter 3 in your Chemistry Text) Scientific Notation. When scientists talk about very large or very small numbers, it gets difficult to name the number (e.g. a one followed by 15 zeros is quadrillion or quintillion?) and it’s painstaking to write them down.

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    • GLP 9 - NIST

      (The first nonzero digit (1) is the first significant figure and the remaining digits are rounded to the nearest number following the first nonzero digit.) Then, round the correction to the point where the rounding occurred in the uncertainty statement. Round the correction to 0.29 g. …

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    • [DOC File]SIGNIFICANT DIGITS:

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      (rounding). When multiplying or dividing the number of significant digits in the answer is equal to the least number of significant digits in the operands. example: 3.205 ( 27.0 = 86.535 Answer = 86.5 (4) (3) (number of significant digits. The lowest number of sig. digits is 3, so our answer can only have 3. Answer = 86.5 When doing calculations, always keep at least one extra sig. digit ...

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    • [DOCX File]Rounding and Significant Digits

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      Rounding and Significant Digits. What are significant digits? 3.14159 has six significant digits (all the numbers give you useful information) 1000 has one significant digit (you don't know anything for sure about the hundreds, tens, or units places; the zeroes may just be placeholders; they may have rounded something off to get this value) 1000.0 has five significant digits (the ".0" tells us ...

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    • [DOC File]Ch 2 Wks #1-Rounding and Significant Figs

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      Round 8083.05 to the indicated number of significant digits. A. 1 _____ B. 3 _____ C. 4 _____ Operations. Addition or Subtraction: The last digit retained is set by the first doubtful digit. Examples: 4.7832 1.0236. 1.234 − 0.97268 + 2.02 Multiplication and Division: The answer contains no more significant figures than the least accurately known number. Examples: 2.8723 × 1.6 = _____ 45.2 ...

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    • [DOC File]Worksheet: Significant Digits & Rounding

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      standard form and scientific notation. Rounding numbers using scientific notation can be a bit confusing especially when adding or subtracting. Therefore on this assignment you only need to round to significant digits for the multiplication and division problems. 3.8 x 105 + …

      rounding to significant figures

    • [DOC File]Rounding and Significant Digits

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      Title: Rounding and Significant Digits Author: Franz Helfenstein Last modified by: fhelfenstein Created Date: 4/5/2007 8:59:00 PM Company: Central Oregon Community College

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