Question

Why are the following expressions not
monomials?
3xy^Z
1-2s
(ab)^1/2

Answer 1

✔ exponent is not a nonnegative integer

✔ it is not a product

✔ exponent is not a nonnegative integer

Answer 2

3xy^z: exponent is not a nonnegative int.

r-2s: it is not a product

(ab)^1/2: exponent is not a nonnegative int.