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