A certain bacteria population doubles each 12 hours. If the initial population of bacteria is 8 initially (t=0), what will be the population after 72 hours

Answer 1

72/12 = 6
8^6 = 262144

Answer 2

Which one ?
a) 500

b) 128

c) 256

d) 512

Answer 3

8 * 2^(72 / 12) = ?

Answer 4

Tyson makes no sense,
go with R_scott