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[DOCX File]Schoolwires
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4.3 x 103 X 5.35 x 105 Two significant figures. 4. 752.030 meters Six significant figures. 5. 0.003 grams One significant figure. 6. 23,434,251.0 Eight significant figures. Rules for significant figures: Non zero numbers are always significant; final or ending zeros written to the right of the decimal point are significant; zeros written ...

[DOC File]Chapter 1 - Solutions
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There are two significant figures in the final result because both width and height are given to two significant figures. 78) The speed of sound in air at room temperature is about 343 m/s. Calculate this speed in miles per hour (1 mi = 1609. m). We will first convert to miles/s, and then to miles/hr.

[DOC File]Rules for Determining Significant Figures in …
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Rule Measured # of Significant . Number Figures _____ A number is a significant figure if it is. A nonzero digit 6.5 g 2. 132.34 m 5. A zero between non zero digits 305 m 3. 2.056 kg 4. A zero at the end of a decimal number 50. L 2. 28.0 cm 3. 18.00 g 4. Any digit in a number written in 4.0 * 105 m 2. scientific notation 6.70 * 10-3 g 3. A ...

[DOC File]UNIT 1 Notes: Scientific Notation, Significant …
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To properly round with significant figures you need to know how to identify significant figures, and how to do math and conserve significant figures. Identifying Significant Figures. When asked to conserve significant figures in a calculation, it is necessary to identify which figures in the calculation are significant. There are five rules for identifying significant figures. 1) Non-zero digits and zeros between non-zero digits are ALWAYS significant.

[DOC File]Practice Worksheet for Significant Figures
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Practice Worksheet for Significant Figures. 1. State the number of significant digits in each measurement. 1) 2804 m 4 2) 2.84 km 3 3) 5.029 m 4 4) 0.003068 m 4 5) 4.6 x 105 m 2 6) 4.06 x 10-5 …

[DOCX File]Cumulative Problems - Chemistry | University of …
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Convert that temperature to °C and K. (Assume that –80 °F is precise to two significant figures.) 54 The warmest temperature ever measured in the United States is 134 °F, recorded on July 10, 1913, in Death Valley, California.

[DOC File]Significant Digits
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Significant figures in derived quantities (Calculations) ... 876 493 = 876 000 or 8.76 x 105 . Perform the following operations giving the proper number of significant figures in the answer. 25. 23.4 x 14 327.6 = 330 or 3.3 x 102. 26. ... Converting between two sets of units never changes the number of significant figures in a measurement ...

[DOC File]Worksheet 2-1 CALCULATOR PRACTICE
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two _____ four _____ six _____ WKS 2.2 - Rounding and Sig Figs (1 page) Above or next to each value in the problem, write the number of significant figures in the value. Next, write in the blank the number of significant figures your answer should contain.

[DOC File]Chemistry Test: Unit 1 Review
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a. 8.48 105 d. 8.480 105 b. 8.5 105 e. 8 105 c. 8.48 103 5. Which of the following measurements contains two significant figures? a. 0.004 00 L c. 0.000 44 L b. 0.004 04 L d. 0.004 40 L 6. Which of the following measurements is expressed to three significant figures? a. …

[DOC File]Worksheet 2-1 CALCULATOR PRACTICE
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Round off the given quantity 3.798075 grams to the number of significant figures indicated. One Sig Fig. Two Sig Figs. Three Sig Figs. Four Sig Figs. Five Sig Figs. Six Sig Figs WKS 2.2 - Rounding and Sig Figs (1 page) Above or next to each value in the problem, write the number of significant figures in the value. Next, write in the blank the ...

105 to two significant figures