Use the "E" format for "X10": example 3.46 E-24 (round all decimals to 2 decimal places) (the space before and after the E is important) 16. (2.54 x 10S) (2.1256 x 105) = 17. (7.455 x 10-) (3.15 x 10-3) = 8.3256x10 18. 2.454x10^2 = Express all answer with the most accurate value in scientific notation using least digit. 19. (6.2830 x 10^) (7.55 x 10-2) = 5.438x10" 20. 6.75x10