The amount of a certain radioactive substance remaining, in grams, after years can be modeled by the function . Which of the following is the best interpretation of the number 0.92 in this context?
The initial amount of the substance is 0.92 grams.
The substance decays by 8% each year.
The substance decays by 92% each year.
The substance decays by 0.08 grams each year.
