# Math

1. –(10)^–1 (1 point)

–1/10***
-1/-1^10
1/10
10

2. 1/c^-5 (1 point)
c^5
5c
–c^5***
–5/c

3. What is the value of y^-5/x^-3 for x = 2 and y = –4? (1 point)

10/3
128
-1/128
–128***

4. Is the number written in scientific notation? If not, explain.5.1 × 10–8 (1 point)
Yes; the number is written in scientific notation.***
No; the first factor is not a number between 1 and 10.
No; it is not written as a number times a power of 10.

5. What is the number written in standard notation?
5.71 × 10^–3

–171.3
0.0571
0.000571
0.00571***

6. Suppose that the diameters of different types of hairs are 1.7 × 10^–4 cm, 1.4 × 10^–3 cm, 1.2 × 10^–5 cm, and 1.9 × 10^–4 cm? What is the order of the hairs from least to greatest diameter? (1 point)

1.9 × 10^–4, 1.7 × 10^–4, 1.4 × 10^–3, 1.2 × 10^–5
1.2 × 10^–5, 1.7 × 10^–4, 1.9 × 10^–4, 1.4 × 10^–3***
1.9 × 10^–4, 1.7 × 10^–4, 1.2 × 10^–5, 1.4 × 10^-3
1.2 × 10^–5, 1.4 × 10^–3, 1.9 × 10^–4, 1.7 × 10^–4

7. What is the expression written using each base only once?
(–4)^–6 · (–4)^7

4^13***
–4
13
1

8. Find the simplified form of the expression. Give your answer in scientific notation.
(3 × 106)(8 × 10–4) (1 point)

1.1 × 10^3**
2.4 × 10^3
1.1 × 10^–23
2.4 × 10^–23

What is the simplified form of the expression?

9. (m7)2 (1 point)
2m^14
m^49
m^9
m^14***

10. t^8(t10)^0 (1 point)

t80
t80
t8***
t–8

11. (3q2)4 (1 point)

3q^16
81q^6
3q^8***
81q^8

12. (3xy3)2(xy)6 (1 point)

9x^8y^12***
3x^8y^12
2x^3y^12
9x^8y^9

1. 👍 0
2. 👎 0
3. 👁 1,742
1. 2,7,8,11 are wrong

1. 👍 1
2. 👎 1
👨‍🏫
bobpursley
2. Does anyone have the answers for this test. For 2017 because some of the questions are different?

1. 👍 1
2. 👎 1
3. 1 A
2 A
3 C
4 A
5 D
6 B
7 B
8 B
9 D
10 C
11 D
12 A

Hope this helped

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2. 👎 0
4. 9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999

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5. i cant find the answers to Lesson 9: Exponents and Exponential Functions Unit Test
Algebra 1 B Unit 2: Exponents and Exponential Functions
I CANT FINDM if u do post a link

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6. Dylan's 100% right

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2. 👎 0

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