marshmellowbuns marshmellowbuns 16-12-2022 Chemistry contestada How many femtometers are in 540. nanometers? a. 5.40 x 10^-4 b. 5.40 x 10^26 C. 5.40 x 10^8 d. 5.40 x 10^-6 e. 5.40 x 10^-8