Posted by Kam on Wednesday, November 3, 2010 at 7:07pm.
I am submitting agian, I am not sure the answer someone gave sounds correct.
We are learning about exponents. A type of bacteria reproduces by splitting in two every thirty minutes. How many bacteria will there be after 4 hours if there are 2 bacteria to begin with?

math  Ms. Sue, Wednesday, November 3, 2010 at 7:13pm
2
4
8 = 1st hour
16
32 = 2nd hour
64
128 = 3rd hour
256
512 = 4th hour

math  Kam, Wednesday, November 3, 2010 at 7:20pm
Thank you Ms. Sue, I was not sure if it was 256 or 512.

math  Ms. Sue, Wednesday, November 3, 2010 at 7:22pm
You're welcome, Kam.
Answer This Question
Related Questions
 math  A type of bacteria reproduces by splitting in two every thirty minutes. ...
 math  A type of bacteria reproduces by splitting in two every thirty minutes. ...
 BIOLOGY  The doubling time of a type of bacteria is 35 minutes. If every ...
 biology  The doubling time of a type of bacteria is 35 minutes. If every ...
 science  The doubling time of a type of bacteria is 35 minutes. If every ...
 precalculus  A bacteria culture initially contains 1500 bacteria and doubles ...
 math  Bladder infections are often caused when the bacteria E. coli reach the ...
 math  7. A certain strain of bacteria doubles every 6 minutes. Assuming that ...
 math  A type of bacteria doubles in number every 12 hours. After 2 days, there ...
 math  A type of bacteria doubles in number every 12 hours. After 2 days, there ...
More Related Questions