8th Alg - L7.3--Feb9
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1) The document provides homework assignments for Lesson 7.3 from a textbook. It includes solving expressions using scientific notation, multiplying and dividing numbers in scientific notation, and expressing numbers between standard and scientific notation. 2) Students are to complete practice problems from sections 3-51 and 3-45 from Lesson 7.3 in the textbook, which are due on Monday. 3) It also asks if a chapter 6 test was signed for extra credit.
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8th Alg - L7.3--Feb9
- 2. Lesson 7.3 WarmUp: Simplify each expression. 1) (xy)3(xz) 2) 3(2x)4(4x5y)2 3) (3a3b4)(3a3b)4 4) (a2b3)2 (ab)2 5) [ 2x3y2z 3x4yz2 [ 2 2
- 3. Lesson 7.3: *scientific notation a number written in the form: a x 10n, where 1 < a < 10 **To multiply numbers in scientific notation... multiply the coefficients add the exponents **To divide numbers in scientific notation... divide the coefficients subtract the exponents 3
- 4. Lesson 7.3 examples: Express each number in scientific notation. A) 185,000,000 B) 0.0000564 Express each number in standard form. C) 1.98 x 107 D) 6.83 x 105 4
- 5. Evaluate each product. E) (1.2 x 103)(1.45 x 1012) F) (2.9 x 102)(5.2 x 109) Evaluate each quotient. G) 2.542 x 105 4.1 x 1010 H) 1.445 x 107 1.7 x 105 5