# 1. (6.0 x 10^5) x (3.0 x 10^4) =

a. 18 x 10^20
b. 18 x 10^9
c. 1.8 x 10^20
d. 1.8 x 10^9

2. (5 x 10^-2) ÷ (2 x 10^3) =

a. 2.5 x 10^-5
b. 2.5 x 10^-1
c. 25 x 10^1
d. 25 x 10^2

3. (2.56 x 10^6) x (3.56 x 10^2) =

a. 9.1136 x 10^12
b. 91.136 x 10^8
c. 9.1136 x 10^8
d. 91.136 x 10^12

4. In a recent year, the population of California was about 2.52 x 10^7 people. Its land area is about 4.05 x 10^5 km^2. What was the average number of people per square kilometer?

a. 0.62 x 10^5
b. 6.2 x 10^1
c. 0.62 x 10^14
d. 6.2 x 10^9

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1. d
2. c
3. b
4. a

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2. Can any body cheack my answers

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3. 1. b
2. c
3. c
4. a

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4. they are all wrong

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5. 1.d
2.a
3.c
4.b

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6. ^^Kelly is correct:

1. D
2. A
3. C
4. B

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7. Keep the chain going! both kid and kelly are correct!
1.D
2.A
3.C
4.B

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8. Kelly, Kid, and Joe are correct

1. D
2. A
3. C
4. B

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9. theyre still the same I made a 100

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1. D
2.A
3.c
4.b I got a 100% trust me will pass it

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11. D
A
C
B

This is the Practice Test for Connectios Lesson 9: Operations and Applictions of Scientific Notation

Trust me I just did it got a 100% so you picked/said these are the right ones then good job :3

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12. yes kelly is right

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13. yes kelly is right

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14. 1.D
2.A
3.C
4.B
yes everyone is correct .

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15. 1. D
2. A
3. C
4. B

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16. Can someone explain them? How did you get d on 1? I got c. Not saying I don’t believe you, I just don’t know how you got that.

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17. dacb

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18. dude these still work in oct 2019 yeehaw

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19. m mxmmx

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20. how do you write 2.4 times 10 to the 4th power in standard form???

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21. d
a
c
b

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23. D
A
C
B
Is correct for 2021

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24. kelly is right
1.d
2.a
3.c
4.b

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25. kelly is still correct as 9-22-21

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26. Kelly is still correct!

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27. Kelly is right!! 😍😍

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28. thx to you guys i got 100

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