Asignal with 200 milliwatts power passes through 10 devices, each with an average noise of 2 microwatts. what is the snrdb

The adbusters' image of the gap logo on the silhouette of a head most likely relays the message that: a. the man in the ad needs a hat from the gap b. consumers should be suspicious of gap ads c. gap clothes make you look intelligent d. everyone should have the gap on their minds