lonelyperson65 lonelyperson65 10-01-2021 Mathematics contestada The mass of an electron is approximately 9.1 x 10^-31 kilograms. The mass of a proton is approximately 1.7 x 10^-27 kilograms. Approximately how many times greater is the mass of a proton than the mass of a electron? A. 5,500 B. 1,900 C. 19,000 D. 55,000