Posted by **Delilah** on Friday, September 28, 2012 at 6:05pm.

Write each number in scientific notation.

1. 4,800

2. 17, 200

3. 180,000

4. 343, 502

12. 0.00581

13. 0.00105

14. 0.0000078

15. 0.000027

16. 0.000000132

17. 0.000000009

- 7th grade scientific notation help Ms. Sue -
**bobpursley**, Friday, September 28, 2012 at 6:10pm
I will do two, and be happy to check the others.

3. 1.8E5 where E means 10 to the power of

15. 2.7E-5

- 7th grade scientific notation help Ms. Sue -
**Ms. Sue**, Friday, September 28, 2012 at 6:11pm
Bob Pursley helped you with some of these yesterday.

http://www.jiskha.com/display.cgi?id=1348788270

Now it's your turn.

Study these sites, and then post what YOU think the answers are.

http://www.nyu.edu/pages/mathmol/textbook/scinot.html

http://www.chem.tamu.edu/class/fyp/mathrev/mr-scnot.html

- 7th grade scientific notation help Ms. Sue -
**Delilah**, Friday, September 28, 2012 at 6:40pm
Thanks!!!

So the answers are (i will do 1-4 odd, 12-17 odd)

1. 4.8 x 10^3

3. 1.8 x 10^5

13. 1.05 x 10^-3

15. 2.7 x 10^-5

17. 9 x 10^-8

are these correct?

- 7th grade scientific notation help Ms. Sue -
**Yomama**, Monday, October 1, 2012 at 1:49pm
ITS ALL WRONG

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