Identify which condition is necessary for a number to be rational.

Question

It must not be negative.
It must not be negative.

It must be written as a fraction.
It must be written as a fraction.

It must not be an endless decimal.
It must not be an endless decimal.

It must be able to be expressed as an integer divided by a nonzero integer.

Answer 1

It must be able to be expressed as an integer divided by a nonzero integer.