If I understand the question correctly, the sum of two positive numbers will *always* yield a positive number.
The product of two positive or two negative numbers will always yield a positive number.
The division of two positive or two negative numbers will always yield a positive number.
There are more examples along this line. I am not sure if this is what you wanted to know.
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Well if you mean positive then yes a positive times a positive is always a positive! Those numbers always have their calculators half full :)
No, the product of two negative numbers is always a positive.
Multiply the number by its self and the answer will always be positive (negative times a negative is positive)
The product of two numbers is the two numbers multiplied together. When multiplying a positive number and a negative number, the answer is always negative. For example: 7*-3= -21
Remember that when two numbers with the same sign are multiplied,their product is always positive.