Acarton in the shape of a cube measuring 8 inches tall is filled with colored plastic cubes measuring 1 inch across each face the cubes sell for $.25 each how much would it cost to buy all of the cubes in the carton

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