I need help
ertyuiop[-poiuytrtyuiop-[=poiuytyui o0p[poi uytrtyhujio iuytretyui oiuytrert yuiuytr

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.)

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Asphere has a diameter of 10 in. what is the volume of the sphere?