Question

How do you simplify `x^9y^0`?

Answer 1

`x^9y^0 = x^9` with exclusion `y != 0`

Explanation:

If `y != 0` then `y^0 = 1`.

If `y = 0` then `y^0` is undefined.

So:

`x^9y^0 = x^9` with exclusion `y != 0`