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Services. Course 3. Warm Up. Problem of the Day. Lesson Presentation. Warm Up. 1.. . 14,000 is 2 % of what number?. 2.. 39 is 13% of what number?. 3.. 37 % of what number is 12?. 4.. 150% of what number is 189?. Learning Goals …. … convert numbers to scientific notation. … convert measurements using the metric system. … identify the number of significant digits in a . measurement . Scientific Notation. Objectives:. State the purpose of significant digits. State and apply the rules for counting and doing calculations with significant digits. One way engineers use significant digits….. What's so significant about significant digits?. 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. &. Scientific Notation. Significant Figures. Scientist use significant figures to determine how precise a measurement is. Significant digits in a measurement include all of the known digits plus one estimated digit. People or Groups on Reconstruction. SS.912.A.2.2 – Assess the influence of different people or groups on Reconstruction. Essential Question: . Who were the significant people or groups of . the Reconstruction Era and . 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.. 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. . What are Sig Figs?. I read in the paper that . Jimmy Haslam (owner . of the Browns) . has a net worth 2.7 . billion dollars.. Myself and a friend bought 4 tickets for $264.30. Assume that immediately after it was reported, I ran to Mr. . 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. . Cartoon courtesy of . Lab-initio.com. Uncertainty in Measurement. . A digit that must be . estimated. . is called . uncertain. . A. . measurement. . always has some degree of uncertainty.. Why Is there Uncertainty?. 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 . : Supporting . State . Implementation. Moderator: Tom . Munk. Panelists: . Julie . Bollmer. Cesar D’Agord. Lisa Haley. Vicki . Niskioka. 1. Agenda. 2. History . of . Significant Disproportionality .