What three expressions equivalent to -3/4

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

Multiplying an even number of negative numbers gives an answer that is choose from:

What properties allow transformation to be used as a problem solving tool