WarmUpSimplifytheExpressionThenStatebriefly…：热身简化表达式然后简述…

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1、WarmUp:SimplifytheExpression.ThenStatebrieflyhowtosimplifytheexponents.1.2.3.4-5PropertiesofLogarithmsEx1:CondensetheExpressiona.b.RememberthatMultiplicationandAdditiongohand-in-hand.Wemusthavethesamebasetocondense!!!lnisinbasee.DivisionandSubtractiongohand-in-han

2、d.Ex3:CondensetheExpressionHere,thedistributivelawcanbeused.Let’sPutitalltogether…Ex4&5:Condensetheexpression.WecanAlsogoBackwards!Wecanalso“un-distribute”theexponentEx6:Expandtheexpression.WecanAlsogoBackwards!!Ex6&7:Expandtheexpression.Ex7:Uselog3≈.477andlog2≈.30

3、1toapproximatethevalueoftheexpressionTheChangeofBaseFormulaLetu,b,andcbepositivenumberswithb≠1andc≠1.Then:Morespecifically:Ex8:UsethechangeofbaseformulatoevaluatetheexpressionEx1:Usepropertiesoflogarithmstoevaluatetheexpression=?a.b.