Use the venn diagram to calculate probabilities which probability is correct? p(a) = 3/5 p(b) = 16/31 p(a|b) = 2/7 p(b|a) = 10/21

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