中三數學教學筆記 第一章 整數指數定律 (Laws of Integral Indices) Section 1.1 數學新里程 第二版 Topic Teaching Notes Classwork or Homework Laws of Positive Integral Indices - Students should be able to express numbers as a product of prime factosusing the index notation (質因數連乘積及指數記數...
The Laws of Logs Multiplication Law Investigate Any relationships? Proving the Multiplication Law Rewriting as powers Log10x = b Log10y = c simplify xy = 10b x 10c write as logs The Multiplication Law Logax + Logay = Logaxy The Division Law Investigate Any relationships? Proving the Division...
=useacalculator! =2048000 Differentcalculatorshavedifferent buttonsforindices,makesureyou knowhowtouseyours! AlgebraandIndices: Thesamenotationapplieswhenwe’redealingwithalgebraic problems: ForExample: x×x×x=x 3 y×y×y×y×y×y×y×y=y 8 j×j×k×k×k=j 2 k 3 TheIndexLaws •Themani...
is to be multiplied by itself, the number of times equal to the index raised to it. it is a compressed method of writing big numbers and calculations. example: 2 3 = 2 × 2 × 2 = 8 in the example, 2 is the base and 3 is the index. laws of indices there are some fundamental...