1. lesson 15.notebook September 18, 2012
Assignment:
1­­>Set 16 (evens) ­ Due FRIDAY (9/21)
2­­>Test signed??
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2. lesson 15.notebook September 18, 2012
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.
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3. lesson 15.notebook September 18, 2012
Lesson 15:
2
3
base exponent
*This means 3 3
Exponents can also be applied to variables...
2xxyyyz =
3

4. lesson 15.notebook September 18, 2012
*The inverse of raising a number to a power ­ is taking the
"root" of a number...
radical sign
9 =
radicand
25 =
3
125 =
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5. lesson 15.notebook September 18, 2012
Examples ­ Lesson 15
Simplify.
A) 102
B) 34
C) (15 cm)2
D) 121
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6. lesson 15.notebook September 18, 2012
3
E) 8
F) 52
Express with exponents.
G) 5xyyzzz
H) aaab
I) 3xyxyx
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7. lesson 15.notebook September 18, 2012
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