Find the numerical equivalent of 9^9⋅9^−6 . Your answer should be written without exponents.
The expression 9^9·9^−6 can be rewritten as 9^(9−6).
Simplifying, we have 9^3.
This is equal to 9·9·9, which is 729.
Therefore, the numerical equivalent of 9^9·9^−6 is 729.