Virginia starts with 200 milligrams of a radioactive substance. The amount of the substance decreases by 25% each week for a number of weeks, w. The expression 200(1 - 0.25)" finds the amount of radioactive substance remaining after w weeks.
Which statement about this expression is true?
1 answer
The statement "200(1 - 0.25)^w finds the amount of radioactive substance remaining after w weeks" is true.
2 answers