T5B12:

Which of the following frequencies is equal to 28,400 kHz?

  1. 28.400 MHz
  2. 2.800 MHz
  3. 284.00 MHz
  4. 28.400 kHz
T5B01 T5B02 T5B03 T5B04 T5B05 T5B06 T5B07 T5B08 T5B09 T5B10 T5B11 T5B12 T5B13