An integer 4 units at the right of zero is _____.

     An integer 25 units at the left of zero is _____.

    An integer 10 units at the right of zero is _____.

    An integer 10 units at the right of zero is _____.

An integer 7 units at the left of zero is _____.

An integer 5 units at the right of zero is _____.

An integer 9 units at the left of zero is _____.

An integer 8 units at the right of zero is _____.

An integer 5 units at the left of zero is _____.

An integer 13 units at the left of zero is _____.