Question

How do you multiply `9^ { 8} \times ( 9^ { 10} ) ^ { - 4}`?

Answer 1

`9^(-32)`

Explanation:

Another way of writing this is: `9^8/(9^10)^4 = 9^8/9^40`

This is the same as: `9^8/(9^8xx9^32) = 9^8/9^8xx1/9^32=1/9^32`

If you so choose this may be written as `9^(-32)`