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April 23, 2014

April 23, 2014

Posted by **Erika** on Wednesday, May 11, 2011 at 11:39pm.

WRite the percent as a fraction and as a decimal.

0.06%

I don't know how many places I need to move that decimal to convert this percent into a decimal.

- Math -
**Jai**, Wednesday, May 11, 2011 at 11:46pmto convert PERCENT to DECIMAL, we move 2 decimal places to the LEFT. thus for 0.06%, we move 2 decimal places, and it becomes:

0.0006

now we know the decimal, we can convert this to fraction. first we count the places to the right of decimal point. there are 4 decimal places (the three zeros and the six). then we write this decimal to a whole number by moving the decimal point 4 places to the right, and it becomes

0.0006 -> 6

finally we divide this by 10000 (note that there are 4 zeros because there are 4 decimal places)

6/10000

we can further simplify this by dividing both numerator and denominator by 2:

3/5000

hope this helps~ :)

- Math -
**Anonymous**, Tuesday, July 12, 2011 at 2:19amWrite the expression in terms of common logarithms, and then give a calculator approximation (correct to four decimal places).

log_(9) \(77\) =

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