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```4-1 Lesson Quiz
Write in exponential form.
1.
nnnn
2.
(-8)(-8)(-8)h
4.
2
 
3
Simplify.
3.
(-4)4
5.
Evaluate xz – yx for x = 5, y = 3, and z = 6.
6.
A population of bacteria doubles in size every minute. The number of bacteria after 5
minutes is 15 • 25. How many bacteria are there after 5 minutes?
2
4-2 Lesson Quiz
Simplify the powers of 10.
1.
10-3
2.
10-7
Simplify.
4 · 2-3 + 10-1
3.
(-6)-2
5.
Evaluate (4w)-2 + w-1 for w = 4.
4.
5.
80 – (11 – 24)-2
4-3 Lesson Quiz
1.
n3 x n 7
2.
8 • 88
3.
109
105
5.
32 • 3 3 • 35
7.
(9-8)9
4.
t9
t7
6.
(m2)19
8.
(104)0
4-4 Lesson Quiz
Multiply
1.
(3g2h3)(-6g7h2)
2.
(12m3)(3mp3)
Divide. Assume that no denominator equals zero.
3.
6a 6b 4
3a 2b
4.
9 x3 y
6x2 y
5.
20 p5q
 4 p 2q
7.
(3c2d3)4
8.
(3m2n)5
Simplify.
6.
(-5y7)3
4-5 Lesson Quiz
Write the number in standard form.
1.
1.72 x 104
2.
6.9 x 10-3
4.
57,000,000
Write each number in scientific notation.
3.
0.0053
5.
Order the numbers from least to greatest.
6.
A human body contains about 5.6 x 106 microliters of blood. Write this number in standard
form.
2 x 10-4
9 x 10-5
7 x 10-5
4-6 Lesson Quiz
Find the two square roots of each number.
1.
144
2.
2500
4.
z8
Simplify each expression.
3.
5.
49 p 6
Ms. Estefan wants to put a fence around 3 sides of a square garden that has an area of 225
ft2. How much fencing does she need?
4-8 Lesson Quiz.
Write all classifications that apply to each number.
1.
2
2.
-
16
2
State if each number is rational, irrational, or not a real number.
3.
5.
4.
25
0
Find a real number between  2
3
3
and  2 .
4
8
4 9
```
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