Sort the cards into equivalent groups. (There are six groups with three cards each, plus two leftover

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

1foot = 12 inches; 1 yard = 3 feet

Write the following as a base and exponent