Question

Anyone in Connections..?

Answer 1

What is the simplified form of each expression?

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

Answer 2

Also, I think 1 is A, 4 is A, 5 is D, 6 is B and I'm not sure about the rest.

Answer 3

Thank you (: Are you positive they're all correct? I'm terrible in math, heh

Answer 4

You somehow both got Best Answer so..yay haha. Thank you both(:

Answer 5

@Opcode and @Nurali giving direct answers like that is against Openstudy COC .Refer
http://openstudy.com/code-of-conduct

Answer 6

She wanted to check the her answers.
"Also, I think 1 is A, 4 is A, 5 is D, 6 is B and I'm not sure about the rest."

Answer 7

I dont see any place where she showed her working ,nor a place where useful learning took place. Whats the use getting option correct when the asker doesnt understand how to get to the solution by herslef?

Answer 8

@Opcode

Answer 9

Okay done.
Sorry about that ^_^.

Answer 10

Atleast you tried to check the answers for her @Opcode but @Nurali clear violation of COC

Answer 11

Simplify the expression 9x^-7y^8/12^-5y^6 can you guys help me

Answer 12

hello

Answer 13

@brandymariexoxo Do you have the answers? 0_0

Answer 14

I'm doing the quiz now and I'm really lost.