Fill the grid by multiplying each number in the first column with each number in the first row. Is the product of two negative integers always a positive integer ?

Fill the grid by multiplying each number in the first column with each number in the first row. Is the product of two positive integers always a positive integer ?

Fill the grid by multiplying each number in the first column with each number in the first row. Is the product of a negative and positive integer always a negative integer ?

Product of two negative integers is always-

Sum of two negative integers is always-

The product of two positive numbers is

The product of negative and positive integers is.........

Fill in the blanks : The product of Any Two Negative Integers is always A ............ Integer.