do now 12/16/10 take out hw from last night. take out hw from last night. brain game page 181 copy...
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Objective SWBAT multiply and divide exponents SWBAT multiply and divide exponentsTRANSCRIPT
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Do Now 12/16/10Do Now 12/16/10
Take out HW from last night.Take out HW from last night. Brain Game page 181Brain Game page 181
Copy HW in your planner.Copy HW in your planner. Text p. 197, #16 – 58 evensText p. 197, #16 – 58 evens
In your notebook on a new page, complete the In your notebook on a new page, complete the activity on page 193 in the textbook. Fill in the 2 activity on page 193 in the textbook. Fill in the 2 tables in the “Investigate” section. Then complete tables in the “Investigate” section. Then complete the “Draw Conclusions” questions 1-4.the “Draw Conclusions” questions 1-4.
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HomeworkHomeworkBrain Game page 181Brain Game page 181
First NumberFirst Number Second Second NumberNumber
GCFGCF
945945 735735 105105
645645 435435 1515
648648 432432 216216
658658 532532 1414
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ObjectiveObjective
SWBAT multiply and divide exponentsSWBAT multiply and divide exponents
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Section 4.5“Rules of Exponents”
Complete the activity on page 193 in the textbook. Fill in the 2 tables in the “Investigate” section. Then complete the “Draw Conclusions” questions 1-4.
Can you think of the rules for exponents?
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POWERPOWERan expression that represents
repeated multiplication.
24
BASE
EXPONENT 2222 Product
Words
two to the fourth power
REVIEWREVIEW
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Evaluate the expression.Evaluate the expression.
1. x3 when x = 8
1. x3 = 83
= 512= (2.5)(2.5)= 6.25
= 8 8 82. k² = 2.5²
2. k² when k = 2.5
SOLUTIONS
3. d4 when d = 13
3. d4 = ( )13
4
= 13
13
13
13
= 181
REVIEWREVIEW
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Multiplying ExponentsMultiplying Exponents
nmnm aaa
To multiply two powers with the SAMEbase, add their exponents.
95454 2222
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Evaluate the expressions.Evaluate the expressions.
32 44
624 66 xx
24 32 xx
1) 2)
534112 2121 nmnm
3)4)
532 44 7412 33
)3(7 42 mnnm
42 333
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Dividing ExponentsDividing Exponents
nmn
m
aaa
To divide two powers with the SAME base, subtract their exponents (numerator minus denominator).
3252
5
3333
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Evaluate the expressions.Evaluate the expressions.
4
9
xx2)
549 xx 2
3
331)
37 3nm
52
65
2763
nmnm3)
123 33
37 5625 nm
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Try It Out...Try It Out...
(1) (1) Product of Powers PropertyProduct of Powers Property
74 aaa
12
741
741
a
a
aaa
)7()7( 3
4
13
13
)7(
)7(
)7()7(
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Try It Out...Try It Out...
4
10
88
6
410
8
8
6
15
)4()4(
9
615
)4(
)4(
6
75
555
6
6
12
6
75
5555
5
86
1 xx
2
6
8
xxx
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What Did You Learn Today??What Did You Learn Today??
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HomeworkHomework
Text p. 197, #16 – 58 evensText p. 197, #16 – 58 evens
2424