SOLUTION: i don't get this stuff on exponets! please help! the question is: n^-6*n^-9

n-6*n-9

First just add the negative exponents:

n-15

To make a negative exponent positive:

1.  Give it a 1 coefficient and a 1 denominator:



2. Move the negative exponent from numerator to denominator
and change the sign of the exponent to positive:



Erase the 1 in the denominator but not in the numerator:




Edwin