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[DOC File]SIGNIFICANT DIGITS/FIGURES
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If the digit following the last significant figure is a 5 with either zeros or nothing after it, round to the even number. For example, 79.3500 rounded to the tenths place becomes 79.4. The value is rounded up to the even number.
rounding significant figures pdf

[DOC File]Rules for Determining Significant Figures in Measurements
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5. In dividing the following numbers the quotient has the correct number of significant figures: 149.6 m ÷ 5.0 s = 29.92 m/s √ When multiplying or dividing, the number of significant figures retained may not exceed the least number of digits in either the of the factors. Should be: 30 m/s 5
rounding numbers to 3 significant figures

[DOCX File]images.pcmac.org
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ROUNDING OFF NUMBERS. Sometimes you will be asked to round a number to a particular number of significant digits. Rules for Rounding: If the digit to the immediate right of the last significant figure is less than five, do not change the last significant digit. 2.5. 32 ( 2.53. If the digit to the immediate right of the last significant figure is five or greater, round up the last significant figure. 2.5. 36 ( 2.54. Round …
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[DOC File]Reading for Meaning- Significant Figures
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Rounding with Significant Figures. There are only two rules that you need to conserve significant figures in calculations. Conserving significant figures means that you may need to round the answer to a problem. Normal rounding rules apply. Addition/Subtraction Round your answer to the same order as the LEAST PRECISE number in the calculation.
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[DOC File]LAB 1a: Review for Calculations
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For example: 2.453 becomes 2.5 to two significant figures. 3. When the digit next beyond the one to be retained is exactly five, and the retained digit is even, leave it unchanged; conversely if the digit is odd, increase the retained figure by one (even/odd rounding). Thus, 3.450 becomes 3.4 but 3.550 becomes 3.6 to two significant figures.
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Rounding Significant Figures Calculator
The following examples illustrate the application of this rule in rounding a few different numbers to three significant figures: 0.028675 rounds “up” to 0.0287 (the dropped digit, 7, is greater than 5)
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[DOC File]UNIT 1 Notes: Scientific Notation, Significant Figures ...
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Significant Figures. Significant figures are a reflection of a measurement’s magnitude and uncertainty. The number of significant figures in a measurement is the number of digits known exactly plus one digit whose value is uncertain. A few simple rules can be learned to remember how to determine significant figures…
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[DOC File]Significant Figures Practice Worksheet
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If this digit is simply 5 or 5 followed by zeros, and if the last digit to be retained is even, just drop the 5 and any zeros after it. If the last digit to be retained is odd, add 1 to it and drop the 5 and any zeros after it. For example, rounding 1.225, 1.22500, and 1.21500 to three significant figures gives 1.22 in each case. If you are doing a calculation of two or more steps, keep all of your digits for the intermediate …
significant figures rounding

[DOC File]ASDL Community | Sharing Scientific Collections
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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.
rounding significant figures pdf

[DOC File]Rules for Using Significant Figures in Mathematical Operations
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There are two rules to remember when rounding off numbers: If the first digit to be dropped is . 4 or less, it and the following digits are just dropped. Ex. Rounding off 5.3132 to 3 significant figures = 5.31. If the first digit to be dropped is . 5 or greater, the last retained digit is increased by 1. Ex. Rounding off 15.684 to 3 significant ...
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Significant figures rounding rules 5