Chemistry 102 Calculator Practice Problems

Chemistry 102 Calculator Practice Problems - Chemistry 102...

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1 Chemistry 102 Calculator Practice Problems Spring 2009 This worksheet is meant as practice for performing mathematical manipulations with your calculator. Level 1 mathematical manipulation: General When performing basic mathematical manipulations (addition, subtraction, multiplication and division) it is important to remember the order of operation. A common pneumonic to help you remember the order to tackle a problem is: P lease E xcuse M y D ear A unt S ally. P arenthesis E xponents M ultiplication/ D ivision A ddition/ S ubtraction
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2 Level 2 mathematical manipulations: Exponents Exponents are a shorthand way of explaining multiplication. Consider the two equations below. The left-hand equation is the way we are accustomed to seeing multiplication problems. The right-hand side equation is a different means of expressing the same mathematical equation – using exponents. 2 x 2 x 2 x 2 =16 2 4 =16 In this problem we call 2 (the number that is being multiplied) the “ base. ” The 4 (number of
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This note was uploaded on 10/11/2009 for the course CHE 102 taught by Professor Maggie during the Fall '09 term at Wisc Whitewater.

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Chemistry 102 Calculator Practice Problems - Chemistry 102...

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