Iwill mark brainest! (if right) 1. what is 8/34% expressed as a fraction? a. 8/100 b. 7/80 c. 7/40 d. 8/25 you so much for you did)

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels