Mathematics, 05.02.2020 12:42 mazielynn84
Aradioactive substance has a half-life of 5 million years. what is the age of a rock in which 25% of the original radioactive atoms remain?
choose one answer.
a. 2.5 million years
b. 5 million years
c. 15 million years
d. 10 million years
Answers: 3
Mathematics, 21.06.2019 15:10
Which equation represents the partial sum of the geometric series?
Answers: 1
Mathematics, 22.06.2019 01:30
What is the remainder when 3x^2-x-10 is divided by x-1 -6,-7,-8, or -9
Answers: 1
Mathematics, 22.06.2019 03:30
Find the slope of the line that passes through the points (-3, -1) and (0, 3). 3/4 0 4/3
Answers: 2
Aradioactive substance has a half-life of 5 million years. what is the age of a rock in which 25% of...
Social Studies, 20.11.2020 20:20
Health, 20.11.2020 20:20
Health, 20.11.2020 20:20
Biology, 20.11.2020 20:20
French, 20.11.2020 20:20
German, 20.11.2020 20:20
Mathematics, 20.11.2020 20:20
Mathematics, 20.11.2020 20:20
Mathematics, 20.11.2020 20:20
Mathematics, 20.11.2020 20:20
Mathematics, 20.11.2020 20:20