7mcvets 7mcvets 14-04-2020 Mathematics contestada I NEED HELP PLEASE!!!! I will give Brainiest Answer for whoever helps me!! I need help adding and subtracting in Scientific Notation... (the ^ means the power) 1. (6 x 10^1) + (9 x 10^1) 2. (7 x 10^0) + (3 x 10^1) 3. (8.8 x 10^2) + ( 3 x 10^2)