5. a frequency of 25 khz is equal to \n\n a 25 hz \n\n b 250 hz \n\n c 0.025 hz \n\n d 25,000 hz

5. a frequency of 25 khz is equal to \n\n a 25 hz \n\n b 250 hz \n\n c 0.025 hz \n\n d 25,000 hz
Answer
Explanation:
Step1: Recall the conversion factor
The prefix "kilo -" (k) means 1000. So 1 kHz = 1000 Hz.
Step2: Convert 25 kHz to Hz
To convert 25 kHz to Hz, we multiply 25 by 1000. So 25 kHz=25×1000 Hz = 25000 Hz.
Answer:
D. 25,000 Hz