Use set notation to express the set of all positive integers between 0 and 10 exclusively, i.e. not including 0 and 10.
O { x | 0 < x < 10 }
O { x ∈ Z | 0 < x < 10 }
O { x ∈ Z | 0 ≤ x ≤ 10 }
O { x | 0 ≤ x ≤ 10 }