1. Lesson 51.notebook January 28, 2013
Assignment-->
1-->Set 51 (odds) - Due Wednesday (1/30)

2. Lesson 51.notebook January 28, 2013
Lesson 51 Warm-Up:
1) Write 8,437 in scientific notation.
2) Write 1.43 x 108 in standard form.
3) Simplify: mc2xc
mx2
4) Solve: 3x + 2x - 1 = 99 [SHOW ALL STEPS!]
5) Graph y = -2x

3. Lesson 51.notebook January 28, 2013
Lesson 51:
FYI...
x5
x3
x3
x5
Law of exponents for
negative exponents:
x­n = 1
xn

4. Lesson 51.notebook January 28, 2013
Examples (Lesson 51):
Simplify.
A) 3-2
B) 2-3
C) 50
D) 2-3 x 23

5. Lesson 51.notebook January 28, 2013
E) Arrange in order from least to greatest.
1/2, 0, 1, 2-2, -1, 0.1
Find the missing exponent.
F) 10-3 x 10-4 = 10
G) 1
1 = 10

6. Lesson 51.notebook January 28, 2013
Simplify.
H) x-3y2xy-1
I) 6x-2y3z-1
2xy
J) Write 10-4 as a decimal number.
K) Write 5 x 10-5 in standard form.
L) Write 2.5 x 10-2 in standard form.

7. Lesson 51.notebook January 28, 2013
M) Write 0.008 in scientific notation.
N) Write 0.000125 in scientific notation.
O) A nanometer is 10-9 meters. Write that number in standard
form.