Your local grocery has your favorite juice on sale buy one, get one half off. each carton costs $3.20. how many can you buy for $20? write a java program to do tha

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g