Mathematics, 12.12.2020 16:30, dani6651
I post random questions b/c no one ever answered my school ones :(
Answers: 1
Mathematics, 21.06.2019 23:20, jessicasbss6840
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
Answers: 1
I post random questions b/c no one ever answered my school ones :(...
Social Studies, 05.03.2020 08:44
History, 05.03.2020 08:45