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Math Proficiency Self-Assessment

# Math Proficiency Self-Assessment - Math Proficiency...

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Math Proficiency Self-Assessment The following self-assessment will allow you to determine your math preparedness for CHEM1251. Work each of the following calculations, algebraic manipulations or word problems and check your answers with those given at the end of the document. It’s suggested that you work alone and without the aid of any resources. If you have difficulty with these problems, please seek help (math tutor, office hours, help room) in order to achieve the level of math skills presumed for this class. 1. What is the numerical result of each of the following computations? Where possible estimate an answer first and then determine the value expressed to the correct number of significant figures. Express your result in both scientific notation and expanded form. a. 236 4 b. The square root of 6.892 c. The cube root 9.00 d. 1025 1/5 e. The quantity 1.245x10 4 squared f. 2.89 -1 g. (1.5x10 -3 )( 1.82x10 12 ) h. 3 2 (4.2x10 ) (0.266) 5.6 i. {(2.18x10 -18 )/[(6.626x10 -34 )(3.00x10 8 )]} (1/2 2 – 1/4 2 ) 2. What is the value of x according to 5x = 10 3 ?

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