turtlemcwhorter turtlemcwhorter

21-08-2018
Mathematics

contestada

A type of bacteria in a Petri dish doulbles every hour. If there were 1,073,741,824 bacteria after 24 hours, how many were there to start with?

Respuesta :

Shaswat221005 Shaswat221005

21-08-2018

It multiply in a Geometric Progression
1st Term=a= ?
common ratio= r= 2
last term=l= 1073741824
no. of terms in GP= 25

1073741824= a*r^n-1
1073741824= 2^24 * a
a= 1073741824/ 2^24
a=64 bacteria

Answer Link

Otras preguntas

What are the places to visit in Istanbul?

The main type of attractive forces between molecules of ammonia (nh3) are ________. ionic bonds hydrogen bonds polar covalent dipole-dipole attractions dispersi

What type of evidence is used in this excerpt from the crisis number 1 by Thomas paine

Mirror neurons may assist in making observational learning possible.

Em ma reportagem, além dos repórteres responsáveis pela matéria, pode haver um ou mais repórteres responsáveis apenas pela fotografia, que são chamados de repór

What organization did the United States employ during the Cold War to work covertly in communist countries?

Does the equation x2 - 4x + y2 = -3 intersect the y-axis?

Who is the narrator of this story? the mother the daughter the father the grandmother

Michael needs 319 programs for the school play on Thursday. How many boxes of programs will he need, given that each box contains 41 programs?

Identify the energy transformations in the following actions. ( help me it is 10 pts ) * Turning on a space heater. * Dropping an apple core into the garbage. *