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Mathematics, 29.01.2021 09:30 Tuffers

All changes saved The half-life of a certain radioactive substance is 14 days. There are 6.6 grams of the substance
present initially. Which equation represents the number of grams of the radioactive substance
on day 42?
a: y= 6.6 - (0.5)28
b: y= 6.6 - (0.5)42
c: y= 6.6 - (0.5)
d: y = 6.6 - (0.5)14

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All changes saved The half-life of a certain radioactive substance is 14 days. There are 6.6 grams...

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