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January 31, 2015

January 31, 2015

Posted by **katy** on Tuesday, September 20, 2011 at 5:01pm.

.000316 which the answer is 3.16x10^-4

and 0.000517 which the answer is 5.17x10^-4

- algebra -
**Henry**, Wednesday, September 21, 2011 at 8:55pm1. Move decimal point to get a single

digit number that is always equal to or

greater than 1, but less than 10.

Mathematically: 1<= N <10. In your case N = 3.16 for the 1st problem.

2. Count the number of places you moved the decimal point to get scientific notation. The number is 4 and it is your exponent. The exponent is negative, because you have to move

the decimal point to the left to return to Standard Form.

I hope this helps.

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