In determining the length of time radioactive waste should be stored before disposal in normal waste, the isotope’s half-life is considered. What is a half-life?

Ms green is at checkout window of your busy orthopedic office . her charges for today are $125.00. her group insurance pays 75% of all usual and customary charges and she has a $50.00 co-pay. she has not met her deductible for the plan year. what does she owe for today’s visit?