$\"\"$

The number are $\"\"$ .

The number $\"\"$ , since product of two same signs is positive. Therefore \ \ $\"\"$ positive number. \ \

The number $\"\"$ is negative number.

The number $\"\"$ , since $\"\"$ where $\"\"$ is positive. There fore $\"\"$ negative number.

The number $\"\"$ is negative number. $\"\"$

The number $\"\"$ is positive number and $\"\"$ are negative numbers.