Mathematics, 16.10.2019 23:00 jamiewest5666
Suppose a laboratory has a 26 g sample of polonium-210. the half-life of polonium-210 is about 138 days. how many half-lives of polonium-210 occur in 276 days? how much polonium is in the sample 276 days later?
a.) 2; 1,794 g
b.) 2; 6.5 g
c.) 3; 3.25 g
d.) 2; 13 g
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 15:00
Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)
Answers: 2
Mathematics, 21.06.2019 15:30
Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)
Answers: 2
Mathematics, 21.06.2019 16:30
Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?
Answers: 1
Mathematics, 21.06.2019 17:30
What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9
Answers: 1
You know the right answer?
Suppose a laboratory has a 26 g sample of polonium-210. the half-life of polonium-210 is about 138 d...
Questions
History, 24.04.2020 10:59
History, 24.04.2020 10:59
Geography, 24.04.2020 10:59
History, 24.04.2020 10:59
History, 24.04.2020 10:59
Physics, 24.04.2020 10:59
Mathematics, 24.04.2020 10:59
English, 24.04.2020 10:59
Mathematics, 24.04.2020 11:00
History, 24.04.2020 11:00
Physics, 24.04.2020 11:00
Mathematics, 24.04.2020 11:00
Mathematics, 24.04.2020 11:00
