ue. 31. Choose all equations that are true. 20 x 100 = 2,000 20 × 10³ = 20,000 20 x 1,000 = 2,000 20 X 10 = 2,000 20 x 105= 2,000,000 In 7-18, 7. 84 X 11. 72 X​