Answer:
49.830 MHz is 49830000 Hz.
(c) is correct option.
Step-by-step explanation:
Given that,
5 channels in the 49 MHz frequency range operates at 49.830 MHz.
The unit of frequency is


Hertz is the unit of frequency.
We need to calculate the MHZ to Hz
Using conversion of MHz to Hz

So,


Hence, 49.830 MHz is 49830000 Hz.