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# 7th math c2 -l83

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### 7th math c2 -l83

1. 1. lesson 83.notebook April 28, 2014 Assignment: 1-->Set 83 (odds) - Due Tomorrow [4/29]
2. 2. lesson 83.notebook April 28, 2014 Lesson 83 WarmUp: 1) What is the volume of a cube with edges 10 cm long? 2) What is the surface area of a cube with edges 10 cm long? 3) A 16-ounce box of cereal costs \$3.36. The 24-ounce box costs \$3.96. The smaller box costs how much more per oucne than the larger box? 4) Graph x < -1 on a number line. 5) Simplify: 23 + 22 + 21 + 20 + 2-1
3. 3. lesson 83.notebook April 28, 2014 Lesson 83: *To multiply numbers in scientific notation: (1.2 x 105)(3 x 107) (4 x 105)(3 x 102)
4. 4. lesson 83.notebook April 28, 2014 Lesson 83 Examples: Multiply. A) (4.2 x 106)(1.4 x 103) B) (5 x 105)(3 x 107)
5. 5. lesson 83.notebook April 28, 2014 C) (4 x 10-3)(2.1 x 10-7) D) (6 x 10-2)(7 x 10-5)
6. 6. lesson 83.notebook April 28, 2014 E) (2 x 10-5)(3 x 10-7) F) (5 x 103)(7 x 10-8)