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EET 109 September 29, 2016 Week 1 Day 2
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Save your syllabus for future reference.
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New office hours.
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Textbook
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Calculators Some inexpensive models include the Texas Instruments TI-36X Pro, the Casio FX-115 family, and the Sharp EL-506, EL-516, and El-520 families.
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Study tip. Look ahead to the assigned work.
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The Blue Folder Everything to be graded and anything you want Doug to look at in the blue folder.
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Graded and Recorded 10/10 8/10 Score Scored and recorded.
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Save your homework and build a study guide. Get to know your classmates, work with them. Answers to odd-numbered questions are in the book. NOT the solutions. Get a tutor.
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Student Learning Center
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facweb https://northseattle.edu/ This is not Canvas.
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Chapter 1
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Page 2 A prime number is defined as a positive integer greater than one that is evenly divisible only by itself and one. 1, 2, 3, 5, 7, 11, 13, 17, 19 We will use primes for factoring.
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Page 3 This is so fundamental it will be on almost all tests.
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+2 -8 -3 -12 -9 -15
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Page 3
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+2 -8 -3 -12 -9 -15 Both !
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Parentheses are good tools. (+3) + (+6) + (-9) + (+6)
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Page 4
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Multiplication and Division
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More than 2 numbers? Odd or even?
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Page 5 # 59 division of compound fractions. Compound fractions not explained. A compound fraction is sometimes called a mixed number.
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Compound Fraction 4.666 7.111 14/364/9
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Indeterminate
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Meaningless
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Page 7
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Section 1.2 page 7 Order-Of-Operations
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“Please excuse my Dear aunt sally”
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5 – 3 (5) – 5 x 2 – 2 ( -3) = 5 – 15 – 5 x 2 – -6 = 5 – 15 – 10 – -6 = -10 – 10 – -6 = -20 – -6 = -20 + 6 = -14 Can your calculator do ( ) ?
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Section 1.3 page 9 Scientific notation is a method of writing very large and very small numbers while avoiding writing many zeros.
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Section 1.3 page 12
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Section 1.3 Product of a number equal to or greater than 1 and less than 10. AND a power of 10.
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Section 1.3
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Product of a number between 1 and 10 AND a power of 10.
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Product of a number between 1 and 10 AND a power of 10.
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Section 1.3 “Laws”
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Section 1.3 Most often confused.
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Not a negative value.
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Appendix B
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Items of interest.
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Subscripts
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1/3 = 0. 3333
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Accuracy The accuracy of a measurement refers to the number of digits, called significant digits, which indicate the number of units we are reasonably sure of having counted when making a measurement. Precision The precision of a measurement refers to the smallest unit with which a measurement is made; that is, the position of the last significant digit.
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Concept of “solving” for value.
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18/3 = 6
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In class exercise.
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==========
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Section 1.3
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