Carbon - 14 decays exponentially according to the model A = Age-0.00012t where t is
measured in years.
a) If there was an initial amount of 700 grams, how much would remain after 80 years?

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years