Respuesta :

Answer:

39.7015 = t

Step-by-step explanation:

100=16000(.88)^t​

Divide each side by 16000

100/16000=16000/16000(.88)^t​

1/160 = .88^t

Take the log base.88 on both sides

log.88 (1/160) = log.88 (.88)^t

log.88 (1/160) =t

39.7015 = t