Question

If the number of bacteria in a colony doubles every 400 hours and there is currently a population of 500 bacteria, what will the population be 800 hours from now?

Answer 1

Answer:

2000 bacterias

suppose, x is the bacteria

there are 500x . for the first 400 hours,the 500 x will double which gives=

500x2=1000 bacterias

then the next 400 hours,the 1000x will double which gives=

1000x2=2000 bacterias