1. Assignment-->
1-->Set 52 (3rds) - Due Tuesday (1/31)
2-->Test #8 - Friday (2/3)
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2. 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
5) Graph y = -2x
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3. Lesson 51:
FYI...
x5
x3
x3 Law of exponents for
negative exponents:
x5
x­n = 1
xn
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4. Examples (Lesson 51):
Simplify.
A) 3-2
B) 2-3
C) 50
D) 2-3 x 23
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5. 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
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6. 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.
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7. 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.
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