katycool467 katycool467 10-04-2021 English contestada Choose all the equations true. A. 9.21 × 103 = 921 B. 9.21 × 101 = 92.1 C. 0.921 × 100 = 921 D. 0.921 × 104 = 9,210 E. 0.0921 × 102 =9.21