1. The sum of two positive numbers is a integer. 2. The sum of two numbers is a negative integer. 3. The sum of a positive and a negative number is the between their absolute values, and the sign of the sum follows the sign of the number with the greater absolute value. 4. To find the difference between two signed numbers, find the additive inverse of the and follow the rules of addition. 5. The product of two positive numbers is 6. The product of two negative numbers is 7. The product of a positive and a number is negative. 8. The quotient of two negative numbers is 9. The quotient of positive and negative numbers is EXC 11​