deshundradenton515 deshundradenton515 18-01-2024 Mathematics contestada Write 5.09 x 10^-12 x 4.20 x 10^13 in scientific notation. a) 2.1358 x 10^2 b) 2.1358 x 10^1 c) 2.1358 x 10^14 d) 2.1358 x 10^-11