Question

The AM band of radio waves are measured in kilohertz (kHz), which are the numbers you see on the AM radio dial. Therefore, a radio station at 610 on the AM dial has a frequency of 610 kHz or 610,500 Hz. What is the wavelength of the radio station that has a frequency of 1100 kHz on the AM dial? The units for the answer are meters. The error interval is 5%.

Answer 1

See your previous post.
c = fw
Substitute and solve for w. I assume the error interval is what you are allowed and still get credit for the answer. It must be a data base you are using to key in the answer.

Answer 2

λ = c/f
λ = (3e8)/(1.1e6)
λ = 2.7e2 m