Question #f57de

1 Answer
May 3, 2017

I got #589.4nm#

Explanation:

I think your wavelength is in Angstrom which stays for #10^-10#.
So you have:
#5894xx10^-10m#
we can change it moving the decimal point to the left and write:
#589.4xx10^-9m#
which represents in nanometers #589.4nm#