A radioactive isotope decays rapidly with a half-life of 4 minutes. For a 12 minute test, technicians need at least 6 grams of

Question

A radioactive isotope decays rapidly with a half-life of 4 minutes. For a 12 minute
test, technicians need at least 6 grams of the isotope to remain at the end of the
test. How much must they start with?
a) 48 grams
b) 12 grams
c) 24 grams
d) 96 grams

Kunduz · Accepted Answer

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