This document contains notes from a math lesson. It includes warm-up problems, instructions on how to multiply numbers in scientific notation, and examples to work through. Students are asked to complete an assignment of odd problems from Set 83 that is due the next day. The lesson also covers multiplying numbers expressed in scientific notation by keeping the exponents the same and multiplying the coefficients.

1. lesson 83.notebook April 28, 2014
Assignment:
1-->Set 83 (odds) - Due Tomorrow [4/29]

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. 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. 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. 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. lesson 83.notebook April 28, 2014
E) (2 x 10-5)(3 x 10-7)
F) (5 x 103)(7 x 10-8)