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Sunday, 24 may 2015 |
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Populatia de bacterii |
Proposed by
Gabi |
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| (8 comments) | 2.752 times displayed |
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O populatie de bacterii se dubleaza la fiecare ora a zilei si se injumatateste la fiecare ora din noapte. Se considera ziua de 13 ore si noaptea de 11 ore. De cate ori va creste populatia de bacterii dupa 7 zile? |
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Dupa 24 de ore populatia de bacterii se multiplica de 4 ori deoarece se dubleaza pentru fiecare ora in plus cu care ziua este mai mare decat noaptea (doua ore). Dupa 7 zile, populatia se va mari de 4 la puterea a saptea ori, adica de 2^14 = 16384 ori. |
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Tags:
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problema zilei,
probleme de matematica,
amuzante,
matematica amuzanta,
bacterii,
populatie
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