Tuesday

September 30, 2014

September 30, 2014

Posted by **NEED ANSWER URGENT. ANON.** on Wednesday, May 4, 2011 at 1:34pm.

A. Find the defining equation for the number N of bacteria in culture after T hours, assuming that no bacteria die.

B. How many bacteria cells are present after 2 hours?

- MATH :) -
**Henry**, Thursday, May 5, 2011 at 11:28pmT = 0: N = 1000*2^0 = 1000.

T = 1/2hr: N = 1000*2^1 = 2000.

T = 1hr: N = 1000*2^2 = 4000.

NOTE: The exponent is always equal to

2T.

A. Eq: N = 1000*2^2T.

B. 2T = 2*2 = 4.

N = 1000*2^4 = 16000 Bacteria cells.

**Answer this Question**

**Related Questions**

pre calculus - if there are initial 2500 bacteria in a culture, and the number ...

math - The bacteria in a certain culture double every 7.5 hours. The culture has...

Math - I need some help. A biologist finds that the population of a certian type...

precalculus - A bacteria culture initially contains 1500 bacteria and doubles ...

calculus - 2. The rate of change in the number of bacteria in a culture is ...

Math - I'm not sure how to do this question 7. The growth of bacteria in culture...

algebra - Two Questions: 1) A certain radioactive isotope has leaked into a ...

Algebra 2 - If there are initially 1500 bacteria in a culture, and the number of...

Physics - On earth, a certain type of bacteria doubles in number every 24 hours...

Math - A culture of bacteria in a petri dish is doubling every hour. If there ...