If the original problem is not a fraction, like this:
 or
 or  Put in a 1 coefficient, then put it over 1, 
like this, so that it will be a fraction:
Put in a 1 coefficient, then put it over 1, 
like this, so that it will be a fraction:
 or
 or  Next, if the negative exponent is in the numerator,
move it to the denominator, and change the negative
exponent to positive, like this
Next, if the negative exponent is in the numerator,
move it to the denominator, and change the negative
exponent to positive, like this
 or
 or  If the exponent is 1, just erase it.
--------------
If the negative exponent is a factor in the denominator, 
like this:
If the exponent is 1, just erase it.
--------------
If the negative exponent is a factor in the denominator, 
like this:
 move it to the numerator and change the negative exponent to
positive, like this:
move it to the numerator and change the negative exponent to
positive, like this:
 .
Edwin
.
Edwin