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Todd Turner
09/18/2024 · Primary School

3) Após o início de um experimen o número de bactérias ( N ) em funçà do tempo (t = horas) de uma cultu é dado pela expressão: \( \mathrm{N}(\mathrm{t})=300.2^{t} \) Quanto tempo após o início do experimento a cultura terá 19200 bactérias? ( 0,5 ponto) a) 16 b) 6 c) 4 d) 8

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Para encontrar o tempo em que a cultura terá 19200 bactérias, dividimos a quantidade de bactérias pelo número inicial e elevamos o resultado ao poder de 6. A resposta é 6 horas.

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