Question

meeeeeeeee ajudaaaaaaaaaaaaaaaaaaaaaaaa

Answer 1

320 = 5 * 2^t

64 = 2^t

2^6 =2^t

t= 6 dias

Answer 2

$A(t)=5.2^t\\ \\ A(t)=320\\ \\ 5.2^t=320\\ \\ 2^t=\frac{320}{5}\\ \\ 2^t=64\\ \\ 2^t=2^6\\ \\ t=6 \ dias$