How do you simplify #6^-6/6^-5#?
There are 2 laws of indices going on here - you can apply them in any order. Use whichever method you prefer.
Answers are usually given with positive indices.
(An exception in with scientific notation where a negative index means the number is a decimal fraction.)
When dividing, subtract the indices of like bases:
Change a negative to a positive index by using the reciprocal