Scientific Notation & Significant Figures (1.2) | General Chemistry

Описание: Scientific Notation and Significant Figures
Struggling with Scientific Notation or Significant Figures? Chad can help. He explains how to write numbers in proper scientific notation and presents the rules for identifying whether a zero is significant or not and for determining the number of 'sig figs' in a number providing several examples along the way. Chad also includes how to determine the number of significant figures in an answer when performing multiplication / division and addition / subtraction. Chad concludes the lesson with by defining and distinguishing between Precision and Accuracy.

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00:00 Lesson Introduction
00:31 Scientific Notation
03:13 Significant Figures
07:12 Rules for Zeroes - Sig Figs
12:01 Rules for Multiplication/Division & Addition/Subtraction
19:46 Precision and Accuracy

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