Question

A certain virus is dying off at a rate of 18% per hour. Initially there were

Answer 1

Answer:

3 strain would still alive after 48 hours

Step-by-step explanation:

Initial population of virus = 40000 grams

A certain virus is dying off at a rate of 18% per hour.

We are supposed to find  how much of the  strain would still be alive after 48 hours

Formula : $N(t)=N_0(1-r)^t$

$N_0$=Initial population

N(t)= Population after t hours

r = rate of decrease = 18% = 0.18

t = time = 48 hours

So,the  strain would still be alive after 48 hours=$40000(1-0.18)^{48}=2.91 \sim 3$

Hence 3 strain would still alive after 48 hours