Welcome :: Homework Help and Answers :: Mathskey.com
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,401 questions

17,804 answers

1,438 comments

43,582 users

Can you help me solve the following?

0 votes

A particular strain of bacteria triples in population every 45 minutes. Assuming you start with a 50 bacteria in a petri dish, how many bacteria will there be in 4.5 hours?

asked Jul 11, 2014 in ALGEBRA 2 by anonymous

1 Answer

0 votes

The exponential growth: A = Pr^(t/h).

Here ,A is the final amount ,P is the Initial population,r is the growth rate,t is the time for A, and h is the  time for r 

r = 3, h=45 minutes, P=120, t = 4.5 hour = 270 minutes 
A = 50(3)^(270/45) 
A = 50(3^6) 
A = 50 * 729 
A = 36450

Therefor , the number of bacteria is 36450

answered Jul 11, 2014 by bradely Mentor

Related questions

asked Oct 25, 2014 in STATISTICS by anonymous
asked May 4, 2014 in PRECALCULUS by anonymous
...