Physics
Physics, 24.09.2019 14:20, lisa5250

~pls halp me~
two grams of an eight-gram radioactive substance are all that remains after ten minutes. what is the half-life (in minutes) of this substance?
a) 1
b) 2
c) 5
d) 10

answer
Answers: 1

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two grams of an eight-gram radioactive substance are all that remains after ten...

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