asked 173k views
0 votes
jai was measuring the radioactivity of different radioactive isotopes. isotope a had a starting radioactive level of 50 g, and after 4 days it measured at 30 g. isotope b had a starting radioactive level of 75 g, and after 4 days it measured at 25 g. which best explains the isotopes?

2 Answers

5 votes

it sure i B i got i checked

answered
User Philthy
by
8.0k points
4 votes
Try b im pretty sure its right 
answered
User Robbie Cronin
by
8.2k points
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