Answers: 1
Mathematics, 21.06.2019 23:20
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
Decrease £28 by 7%? im stuck on my homework...
Chemistry, 28.12.2019 19:31
Mathematics, 28.12.2019 19:31
Mathematics, 28.12.2019 19:31
Mathematics, 28.12.2019 19:31
Mathematics, 28.12.2019 19:31
Mathematics, 28.12.2019 19:31
Health, 28.12.2019 19:31