PPT-Significant

People or Groups on Reconstruction SS912A22 Assess the influence of different people or groups on Reconstruction Essential Question Who were the significant people or groups of the Reconstruction Era and . Candidate 3. The three developments. Nitinol archwires in braces. Lingual Braces. Invisalign. What’s the Point…?. To correct malocclusions—Improper bites. Nitinol . Archwire. Shape Memory Alloy . L/O – To consider how some people or events are more significant than others and explain why. Starter – You have 4 minutes to list the three most famous people in the world today!. Was Horatio Nelson really so significant?. 2.3. A. What are Significant Figures?. The number of all certain digits in a measurement plus one estimated digit.. Example. 2.0 cm. 1. 0. 2. 3. 4. cm. 2 Significant figures. Examples. 1. 0. 2. 3. 4. RULES FOR SIGNIFICANT DIGITS. 1. Non-zero digits are ALWAYS significant.. . Example-. 123456789. 2. Zeros that are between other significant digits are ALWAYS significant.. . Example. - 3004 . 3. Final zeros that occur before or after the decimal are ALWAYS significant.. 5700. 1. 2. 3. 4. Multiply. 843.5 * 21103. 17800380.5. 1.780 x 10. 8. 1.780 x 10. 7. 17800000. Which of the following instruments would give you the most accurate measurement?. Round to 3 significant digits..  a digit that is reliably known.. Ex: 6.2 has 2 sig figs. The hundredth place is not reliably known and, thus, not reported.. The easiest way to determine . sig figs in a number . is to write the number in scientific notation.. When taking scientific measurements, the goals are to measure . accurately. and with . precision. .. Accuracy. . refers to how close a measured value is to the actual or real . value. Precision. . Pare’s. time, guns were fairly new inventions, so surgeons were not used to treating gunshot wounds. At first surgeons thought these wounds were poisonous. They stated that wounds had to be burnt out using boiling oil. During a French battle in 1537, Pare ran out of hot oil so decided to improvise. Pare used a cream containing turpentine to seal the wound. . 4.72006 s. 0.0003 km. 400 mL. 320.0 mg. How many significant figures are there in each of the following measurements? . 4.72006 . s . (6 significant figures). 0.0003 . km . (1 significant figure). 400 . SignificantFigureRulesDetermining Number of Significant Figures Sig Figs All non-zero integers are significantample412945 has 6 sig figs All exact numbers have an unlimited number of sig figs ample 2 Diploma ExaminationsSignificant Digits measured values1For all non-logarithmic values regardless of decimal position any of the digits 1 to 9 is a significant digit 0 may be significant For example 12 HMP HUMBER September 2019. Section. Page. Contents. 1. Executive. Summary. 2. Maintain. Existing Relationships. 3. Re-establish. or build new relationships. 4. Family Days. 5. Develop Parenting Skills. In physics we will be taking measurements and using a lot of numbers for calculations. However, we have to be aware of significant figures (sig figs) because every measurement has a certain degree of . Length is measured by observing the marked lines at . the end . of a ruler. The last digit in your measurement is an . estimate, obtained by . visually dividing the space between the marked lines.. Learning Goal .