The document contains notes from a math lesson including: 1) An assignment and test due dates 2) Sample warm-up problems on fractions, decimals, prime factorization 3) Explanations of exponents and their application to variables and inverse operations of taking roots 4) Examples of simplifying expressions with exponents and expressing expressions with implicit multiplication using exponents.

1. lesson 15.notebook September 10, 2013
Assignment:
1­­>Set 15 (odds) ­ Due Tomorrow (9/11)
2­­>Test #2 ­ Tuesday (9/17)

2. lesson 15.notebook September 10, 2013
Lesson 15 Warm­Up:
1) What is the difference between the sum of 1/2 and 10
and the product of 1/2 and 10?
2) A gallon of milk contains 128 oz. How many 8­oz
cups can be filled with a gallon of milk?
3) Compare: 0.625 3/5
4) Write 0.325 in words.
5) Write the prime factorization of 630.

3. lesson 15.notebook September 10, 2013
Lesson 15:
3
2
base exponent
*This means 3 3
Exponents can also be applied to variables...
2xxyyyz =

4. lesson 15.notebook September 10, 2013
*The inverse of raising a number to a power ­ is taking the "root" of a
number...
25 =
125 =
3
radical sign
9 =
radicand

5. lesson 15.notebook September 10, 2013
Examples ­ Lesson 15
Simplify.
A) 102
B) 34
C) (15 cm)2
D) 121

6. lesson 15.notebook September 10, 2013
E) 8
F) 52
Express with exponents.
G) 5xyyzzz
H) aaab
I) 3xyxyx
3

7. lesson 15.notebook September 10, 2013
J) 64
3