avasweetgirl47 avasweetgirl47 25-10-2022 Mathematics Answered 4) Choose all equations that are true. A. 9.21 x 103-921 B. 9.21 x 101 - 92.1 C. 0.921 x 100 = 921 D. 0.921 x 104 = 9,210 E. 0.0921 x 102 -9.21