Question

Solve and simplify 9^15 × 1/9^15

Answer 1

We have

`9^(15)\cdot(1)/(9^(15))=(9^(15))/(9^(15))`

Now we have to remember that

`(a^m)/(a^n)=a^(m-n)`

then, in our case

`9^(15)\cdot(1)/(9^(15))^{}=(9^(15))/(9^(15))=9^(15-15)=9^0=1`

Then the answer is 1.