Question

How do you simplify `(12a^-9b^-4)/(9a^2b^6)` using only positive exponents?

Answer 1

`4/(3a^11b^10)`

Explanation:

Recall: Law of indices `x^-m = 1/x^m`

`(12a^-9b^-4)/(9a^2b^6)` = `12/(9a^2a^9b^6b^4)`

=`4/(3a^11b^10)`