The number of bacteria in a culture grows at an exponential growth rate of 139% per hour what is the doubling time for these bacteria

Question

need immediately 

Answer 1

A = P(1.39)^x  where x is hours

 

We want A = 2P (double)

 

2P = P(1.39)^x

 

 

2= 1.39^x

 

log2 = xlog1.39

 

lo2/log1.39 = x = 2.104887013 hours