Mathematics

Mathematics, 28.08.2019 16:30, tess92

Plutonium-238 has a yearly decay constant of 7.9 x 109. if an original same
inal sample has a mass of 15 grams, how long will it take to decay to 12 grams
(a = apok
oa 3 years
ob. 12.3 years
oc. 28 3 years
od. 139.1 years

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Plutonium-238 has a yearly decay constant of 7.9 x 109. if an original same
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