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[DOC File]1. Significant Figures
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When adding or subtracting measurements, the answer will have the same number of decimal places as the measurement with the least precision (the fewest number of decimal places). When reporting a number that has been calculated, it is often required that the number be rounded to the proper number of significant figures.
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[DOC File]Significant Digits Handout
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Since we’re adding and subtracting here, the final answer has to end in the same decimal place as the least precise of the numbers we’re working with. Since 2.0526 is significant only to the tenths place, our final answer has to be rounded to the tenths place. 0.047. 3. 907 + 0.08. 7 – 2. 0. 526 – 1. 9. 182093
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[DOC File]Scientific Notation, Metric(SI) Conversions, and ...
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Adding and Subtracting. Round answer to the decimal place with the fewest decimal places, (not the number of digits) 5. 2638 3.53215 7.052 9.2122 + 3.14 + 4.031 - 3.1 - 4.031 . Multiplication and division using Significant Figures
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[DOC File]Year 7 - Maths
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Article: Adding & Subtracting Negative Numbers . Up, Down, Flying Around (Strange Bank Account (Magic Letters (First Connect Three (Add, subtract, multiply and divide integers. Making a Difference (Playing Connect Three ( Weights ( Consecutive Negative Numbers (
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[DOC File]Rules for Using Significant Figures in Mathematical Operations
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When adding and subtracting values, find the smallest decimal place that all values have in common and are significant and that is the last significant decimal place in your answer. Add the values like normal and round to the significant decimal place. For example, 5.23 (significant to hundredths place)
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[DOC File]Significant Figures
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of significant figures. Examples: 10.305 x 0.00320=0.032976 (Round to 3 SF) = 0.0330. 3.64928/5.2=0.701784615 (Round to 2 SF) = 0.70. Addition/Subtraction. When adding or subtracting significant figures, arrange the numbers in columnar form and retain no figures in a column that is to the right of a column containing a doubtful figure. Examples:
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[DOC File]Sigfig Calculation Practice Problems
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Determine the number of significant figures in the following numbers. ... Recall the rules for adding/subtracting and multiplying/dividing. Then solve the following problems and record the answers applying those rules. Remember to determine first WHICH rule to use.
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[DOC File]Significant Digits
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Operations with Significant Digits. Adding and subtracting. The answer is only as precise as the least precise digit in one of the addends. Multiplying and Dividing. The answer should have the same amount of significant digits as the number in the problem with the least number of significant digits. Examples: 45.6 – 12.47 = 33.1
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[DOC File]SIGNIFICANT FIGURES - Ms Brown's Chemistry Page
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When adding or subtracting numbers written with the ( notation, always add the ( uncertainties ... The uncertainty begins in the . tenths. place… it is the last significant digit. 2. When adding or subtracting numbers written in significant figures, show the uncertainty by rounding the answer to match the largest place with uncertainty ...
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[DOC File]Mathematics Entry 2 - Functional Skills Lesson plan 1
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Applied adding and subtracting numbers with 2 significant figures in a practical context. Aspirations. For learners to feel confident about adding and subtracting numbers with 2 significant figures. DIFFERENTIATION: MUST. be able add two numbers such as 35 and 43, and subtract two numbers such as 45 from 88. SHOULD. be able to add two numbers ...
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Adding and subtracting significant numbers