Final answer:
The term utilized when describing combined increases in signal strength is Gain.
Step-by-step explanation:
The term utilized when describing combined increases in signal strength is Gain.
Gain is a measure of how much a signal is amplified or increased. In the context of sound waves, gain refers to the increase in amplitude or loudness of the sound.
For example, if the sound intensity level goes up by 40.0 dB, the amplitude of the sound wave would increase by a factor corresponding to the gain.