Final answer:
The correct arrangement of the power levels in ascending order is: 500 microwatts, 160 milliwatts, 4 watts, 50 watts.
Step-by-step explanation:
The correct sequence for the arrangement of the power levels in ascending order is:
b) 500 microwatts, 160 milliwatts, 4 watts, 50 watts
To compare the power levels, we need to convert all values to the same unit. Let's convert everything to milliwatts:
500 microwatts = 500 μW = 0.5 mW
4 watts = 4 W = 4000 mW
50 watts = 50 W = 50000 mW
160 milliwatts = 160 mW
As we can see, the correct arrangement in ascending order is 0.5 mW, 160 mW, 4000 mW, and 50000 mW.