1: (2 + 4 ÷ 10) × 102: (2 + (4 ÷ 10)) × 103: (4 ÷ 10 + 2) × 104: ((4 ÷ 10) + 2) × 105: 10 × (2 + 4 ÷ 10)6: 10 × (2 + (4 ÷ 10))7: 10 × (4 ÷ 10 + 2)8: 10 × ((4 ÷ 10) + 2)
(4 ÷ 10 + 2) × 10