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Significant Figures Rules

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Significant Figures

Significant Figures in Measurement and Calculations A successful chemistry student habitually labels all numbers, because the unit is important. Also of great importance is the number itself. Any number used in a calculation should contain only figures that are considered reliable; otherwise, time and effort are wasted. Figures that are considered reliable are called significant figures. Chemical calculations involve numbers representing actual measurements. In a measurement, significant figures in a number consist of: Figures (digits) definitely known + One estimated figure (digit) In class you will hear this expressed as "all of the digits known for certain plus one that is a guess." Recording Measurements

Ender's Game Vocabulary definitions

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Ender?s Game Vocabulary Words Acquiescence (noun) - permission given by silence or passiveness -As I was speaking, I looked over to my boss to make sure I can talk about the current subject, and his acquiescence allowed me to continue. Demagogue (noun)- a leader who makes use of popular prejudices and false claims and promises in order to gain power -Hitler was a very good demagogue because he always motivated and flattered the German race. Exploit (noun)- a notable or heroic act -I will exploit Jake for rescuing the drowning girl form the pool. Hegemony (noun)- type of empire, wherein, the imperial state controls the subordinate state with power (the perception that it can enforce its political goals), rather than

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