# math

Solve each problem and write your answers in scientific notation.
1. (6.0 x 105) x (3.0 x 104) = (1 point)
18 x 1020
18 x 109
1.8 x 1020
1.8 x 1010
2. (5 x 10–2) ÷ (2 x 103) = (1 point)
2.5 x 10-5
2.5 x 10-1
25 x 101
25 x 102
3. (2.56 x 106) x (3.56 x 102) = (1 point)
9.1136 x 1012
91.136 x 108
9.1136 x 108
91.136 x 1012
4. In a recent year, the population of California was about 2.52 x 107 people. Its land area is about 4.05 x 105 km2. What was the average number of people per square kilometer? (1 point)
0.62 x 105
6.2 x 101
0.62 x 1014
6.2 x 109

1. 👍 2
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3. 👁 3,909
1. How many multiple of thousand bewteen 300 and 900

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2. 👎 1
2. Which one am i looking at

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2. 👎 1
3. The answers are 100%
1. D
2 A
3. C
4. B

1. 👍 81
2. 👎 8
4. Yeah, ¨Smile More¨ is 100% correct

1. 👍 10
2. 👎 1
5. Smile More is right

1. 👍 7
2. 👎 1
6. Wrong!
1. D
2. C
3. A
4. B

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2. 👎 24
7. right answer is wrong. you are always going to have a decimal in it when working with this

1. 👍 5
2. 👎 0
8. if you want to get a 100 listen to smile more

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2. 👎 0
9. Smile more is correct.

1. 👍 4
2. 👎 0
10. get your facts straight right answer

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2. 👎 0
11. 1. D
2. A
3. C
4. B

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2. 👎 4
12. I’m Connexus

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2. 👎 0
13. i need help with the second quick check

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2. 👎 0
14. smile more is wrong

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2. 👎 2
15. dacb checks out for connections academy so

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2. 👎 0
16. lol he is write who we r cheating but i just dont care XD

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2. 👎 0
17. 1-D
2-A
3-C
4-B

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18. B
A
D
B

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2. 👎 1
19. smile more is right

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20. Smile More is NOT RIGHT. TRUST ME I GOT A 50%. Here are the correct answers
B
A
D
B

And these are for ‘Operations and Applications of Scientific Notation’

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21. 1.B
2.A
3.D
4.B
this is a 100% true

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22. my name says it all

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2. 👎 0

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