homework: p. 33-34 1-100 (eoo (every other odd – starting with #1)
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Homework: p. 33-341-100 (EOO (every other
odd – starting with #1)
P.2 Exponents and Scientific Notation
Properties of ExponentsProduct Rule: (bases must be the same)
Quotient Rule: (bases must ne the same)
Zero Exponent Rule:
Negative Exponent Rule:
Power Rule (power raised to a power):
Quotients to Powers Rule:
m nb b m
n
b
b
0b nb
( )n mb n
a
b
Guided Practice…2 31. 2 2
4 3 2 72. (6 )(5 )x y x y 7
4
( 2)3.
( 2)
12 9
3 7
304.
5
x y
x y
25. 9
5 26. 7x y 5 37. (y )
2 48. (-2y ) 32
9. 4
x
Scientific Notation:
Guided Practice:
Guided Practice: As of December 2011, the national debt was $15.2 trillion ( ). At that time, the US population was approximately 312,000,000 ( ). If the national debt was evenly divided among every individual in the US, how much would each citizen have to pay?
x 10na56.4 10 640,000x
32.17 10 0.00217x
34,970,000,000,000 ?
5 9(6.1 10 )(4 10 )x x
1215.2 10x83.12 10x
Whiteboard Practice:3 6 41. (2 )x y
12 2
16 4
1002.
20
x y
x y
2
4
53.
x
y
5 74. (7.1x10 )(5 10 )x
6
3
1.2 105.
3.0 10
x
x
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