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Order of Operations Using a calculator Algebra Graphing Conversions Metric System Weighted Average
Order of Operations PleaseParenthesis ExcuseExponents MyMultiplication DearDivision AuntAddition SallySubtraction
Using a Calculator Calculators only do what they are told, they are not psychic Calculators are programmed to follow Order of Operations
Calculator Example Type this into your calculator: 5*10^2/1*10^3 = *10^2/(1*10^3) = 0.5
Calculator Example E function (EE) Computer language for (^10 x ) Dont need parenthesis 5E2/1E3 = 0.5
Algebra Basic branch of math involved with solving equations with variables Basic Rule: whatever you do to one side of an equation, do the same to the other side X – 5 = X =12
Graphing Always label axes Always have Title Take up most of page Appropriate scale X-axis Y-axis Title
Any of these Correct? X-axis Title Y-axis X-axis Title Y-axis
Appropriate Scale All increments have to be EQUAL XXXXXXX Y Y Y Y
Appropriate Scale?? XXXXXX Y Y Y Y All increments have to be EQUAL
Conversions Multiplying any quantity by 1 doesnt change the original quantity 5 x 1 = 5 5 x 2/2 = 10/2 = 5 5kg x 1000g/1kg = 5000g
Conversion Factors Quantity equal to 1 but relates two different measurements 1kg = 1000g 12in = 1ft
Metric System System of measurement based on factors of 10
Metric System Conversions Two ways Multiply by a conversion factor Use a table
Metric System Conversion
Metric System Table kilom, L, gdecicentimilli kdcm Number Prefix Symbol Power of 10 Base Unit
1kg ??g kilogramdecicentimilli kggdgcgmg Number Prefix Symbol Power of 10
1kg 1000g kilogramdecicentimilli kggdgcgmg Number Prefix Symbol Power of 10
10mL ??L kiloLiterdecicentimilli kLLdLcLmL Number Prefix Symbol Power of 10
10mL 0.01L kiloLiterdecicentimilli kLLdLcLmL Number Prefix Symbol Power of 10
Weighted Average Average where all numbers are not equally weighted Must take into account weight of each number Example: Your Grade
Example HW(30%) 100 Labs(20%) 90 Test(50%) 85 Grade =.3*100+.2*90+.5*85=90.5
Physics Tools and Standards Each discipline has a language. The language of physics is math! What are the mathematical tools you need to succeed?
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