1. Lesson 46.notebook
November 15, 2013
Assignment:
1­­>Set 46 (evens) ­ Due Monday [11/18]
2­­>Test #6 ­ Monday [11/25]

2. Lesson 46.notebook
November 15, 2013
Lesson 46 Warm­Up:
1) 2/5 of the 30 students were girls. How many
boys were there?
2)
Simplify:
[3/5 ­ (­1/2)2 + 9/10]0
3)
Simplify:
(­4)(­8) (­2)
­2
4)
Write 4/9 as a decimal and as a percent.
5)
Find the mean: 98, 90, 102, 97, 113

3. Lesson 46.notebook
November 15, 2013
Lesson 46
­­FYI... To multiply numbers that are in scientific notation:
­­multiply the coefficients
­­multiply the powers of ten (add the exponents)
­­revise the answer so that it is in scientific notation
To divide numbers that are in scientific notation:
­­divide the coefficients
­­divide the powers of ten (subtract the exponents)
­­revise the answer so that it is in scientific notation

4. Lesson 46.notebook
Examples ­ Lesson 46:
Find each product.
A) (2.4 x 106)(2.0 x 105)
B) (4.0 x 105)(4.0 x 105)
November 15, 2013

5. Lesson 46.notebook
Find each quotient.
C) (3.6 x 1010)
(3.0 x 106)
D) (1.2 x 107)
(3.0 x 103)
November 15, 2013