10-11-2016
Mathematics

contestada

One kind of bacteria in a laboratory culture triples in number every 30 minutes. Suppose a culture is started with 30 bacteria cells. How many bacteria will there be after 2 hours?

Respuesta :

Аноним Аноним

10-11-2016

2 hours = 4 * 30 minutes

30 * 3 = 90
90 * 3 = 270
270 * 3 = 810
810 * 3 = 2430

So after 2 hours you will have 2430 bacteria cells.

Answer Link

Otras preguntas

what is displacement give two examples

A liquid finds its ownکے ارد

tribes usually found mates from other tribes why?

if set T= {A,L,E,R,T}}, how many subsets does T have?

Use the graph to determine which statement describes f(x) O A. f(x) does not have an inverse function, because its graph fails the horizontal line test. O B. f(

PLEASE ANSWER QUESTIONWhy are state executive officers known as constitutional officers? A.)They primarily work to protect citizens’ constitutional rights. B.)T

Explain how Earth’s atmosphere affects solar radiation

which statement describes how natural ancient Egypt

2. One kilometer is 1000 meters

Samantha can run one mile in 8 minutes. At this rate how long will it take her to run in 5 miles