P6 Lesson 1.pptx - Physics 621A(Online Introduction Lesson 1 Skill Sets 2 3 5 Know your Textbook Table of Contents pg iv Skill Sets pg 938 Appendices pg

P6 Lesson 1.pptx - Physics 621A(Online Introduction Lesson...

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Physics 621A (Online) Introduction & Lesson 1: Skill Sets 2, 3 & 5
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Know your Textbook Table of Contents pg. iv Skill Sets pg. 938 Appendices pg. 954 Answers to Practice Problems pg. 957 Glossary pg. 966
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Rounding & Significant Figures Read Skill Set 2 page 940-941 and know… the rules of significant digits rounding rules scientific notation Note: Significant Digits will be applied for all calculations throughout science. Scientific notation is used regularly but not necessarily always (see ambiguous case pg. 940) HW: Problems pg 942 #1-7
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Rules of Significant Digits/Figures 1. All Non-zero digits are significant 2. All digits used in scientific notation are significant 3. Zeros between non-zero digits are significant (107, 14005) 4. Trailing zeros to the right of the decimal are significant: 2.500, 195.68000, 5. Leading zeros to the right of the decimal (0.00012) are not significant 6. Ambiguous Case: Trailing zeros to the lef of the decimal are not significant but if they are meant to be then scientific notation must be used: Ex) 1400 appears to have 2 significant digits, if the zeros are meant to be significant then it must be written as
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Scientific Notation Ex) Write each in scientific notation a) 1.368 b) 1200 c) 0.148 d) 0.0000100
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Scientific Notation ANSWERS Ex) Write each in scientific notation a) 1.368 = 1.368 x 10⁰ b) 1200 = 1.2 x 10³ c) 0.148 = 1.48 x 10⁻¹ d) 0.0000100 = 1.00 x 10⁻⁵
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