Zero and positive numbers are collectively referred to as ______ and zero and negative numbers are collectively referred to as ______.

Zero and positive numbers are collectively referred to as ______ and zero and negative numbers are collectively referred to as ______.

Zero and positive numbers are collectively referred to as non-negative numbers,
Zero and negative numbers are collectively referred to as non-positive numbers;
Therefore the answer is: non - negative number; non - positive number.

Zero and positive numbers are collectively referred to as ______ and zero and negative numbers are collectively referred to as ______.

Zero and positive numbers are collectively referred to as non-negative numbers,
Zero and negative numbers are collectively referred to as non-positive numbers;
Therefore the answer is: non - negative number; non - positive number.