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[DOC File]SIGNIFICANT FIGURES
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4. When multiplying or dividing measurements written in significant figures, show the uncertainty of your calculations by rounding off your answer to . match the same number of significant figures as your least precise measurement (the measurement with the least number of significant figures). Example: 477.85 ( 32.6 = 14.657975 = 14.7
rounding numbers to significant figures

[DOC File]Significant Figures Practice Worksheet
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2. The measurement 4560 km has only 3 significant figures. 3. In adding together the following numbers their sum has the correct number of significant figures: 27.99 cm. 17.01 cm. 1.223 cm. 10.00 cm. sum= 56.22 cm. 4. In multiplying together the following numbers their product has the correct number of significant figures: 66.45 cm x 2.00 cm x ...
rounding numbers to significant number

[DOC File]Reading for Meaning- Significant Figures
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it is a zero between significant digits. What is the difference between a counting number and a measurement? Counting numbers are exact whereas measurements are only as precise as the device being used to measure them. How many significant digits are in each of the following values? 5.002 g . four. 5000 dL . one. 0.000689 mg . three. 0.3870 mL ...
rounding and significant figures

[DOCX File]Title:
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Thus, 3.450 becomes 3.4 but 3.550 becomes 3.6 to two significant figures. Note: Even/odd rounding of numbers provides a more balanced distribution of results. Use of computer spreadsheets to reduce data typically follows the practice of rounding up.
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[DOC File]SIGNIFICANT FIGURES
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Significant Figure Calculations – Answers Solve the following mathematical problems such that the answers have the correct number of significant figures: 1) 334.54 grams + 198 grams =
rounding significant digits

[DOC File]Significant Figures Practice Worksheet
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Rounding also comes into play when using sig figs; actually, it’s a main part of the idea. Generally, if the last digit of a number is 6 or greater, you round up (e.g. 3.14159 becomes 3.1416). If the last digit of a number is less than 5, you round down (e.g. 3.141 becomes 3.14).
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[DOC File]UNIT 1 Notes: Scientific Notation, Significant Figures ...
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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
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[DOC File]Significant Figures and Rounding Measurements Name
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The least significant digit is the right-most digit if the number includes the decimal, i.e. in the number 189.76970, 0 is the least significant digit. The least significant digit is the right-most non-zero digit if the number has no decimal, i.e., in 123000, 3 is the least significant digit.
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[DOC File]Worksheet: Significant Digits & Rounding
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1. Round off each of the following numbers to three significant figures. a. 15.9994 b. 1.0080. c. 0.6654 d. 4885. e. 87,550 f. 0.027225
rounding numbers to significant figures

Significant figures and rounding
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.
rounding numbers to significant number

Rounding significant numbers