Question

Medal to whoever provides correct answer or helps me
A bacteria culture begins with 4 bacteria which double in size every hour. How many bacteria
exist in the culture after 8 hours?
128
256
1,024
8,192

Answer 1

1,024 :)

Answer 2

1)
y=4(2)^n
Let n = 8
y = 4(2)^8
y = 4(256)
y = 1024
The number of bacteria will be 1024 after 8 hours.

Answer 3

4x2^8= 1024 <---

Answer 4

\[4 \times 2^{8}\] = 1024.