Posted by **josh** on Wednesday, March 2, 2011 at 1:18pm.

A bacteria culture initially contains 1500 bacteria and doubles every half hour.

a) Find an expression for the number of bacteria after t hours.

Q(t)=

b) The number of bacteria after 20 minutes is (the answer must be an integer)

c) The number of bacteria after 9 hours is

## Answer this Question

## Related Questions

- MATH :) - 3. In Biology, it is found that the bacteria in a certain culture ...
- Algebra 2 - If there are initially 1500 bacteria in a culture, and the number of...
- Precalculus - NEED HELP ASAP PLEASE!! A bacteria culture starts with 2000 ...
- calculus - A bacteria culture starts with 900 bacteria and the population ...
- calculus - 2. The rate of change in the number of bacteria in a culture is ...
- Calculus - A bacteria culture contains 200 cells initially and grows at a rate ...
- College Algebra - The number of bacteria in a certain culture increased from ...
- Calculus - Suppose that a population of bacteria triples every hour and starts ...
- Calc - The number of bacteria in a culture is increasing according to the law of...
- pre calculus - if there are initial 2500 bacteria in a culture, and the number ...