loganhowery3102 loganhowery3102

24-06-2019
Physics

contestada

After two half lives, the fraction of nuclei remaining is : (A) 1/2 (B) 1/9 (C) 1/8 (D) 1/4

Respuesta :

MathPhys MathPhys

24-06-2019

Answer:

D

Explanation:

After each half life, half the original amount remains.

So after two half lives, (1/2)^2 remains, or 1/4.

Answer Link

Otras preguntas

When performing a two-point turn, you should try to avoid __________ . A. driveways where cars are parked B. driveways where traffic signs have been posted by t

Legislators who believe they have been elected to do the bidding of those who sent them to congress act as a. principals. b. delegates. c. managers. d. trustees

Natural cracks in rock that form due to exhumation are called:

How does the speaker feel about the grain the mouse steals

tissues combine from

Heather is a cashier. She can ring up to 12 coustomers in 9 weeks. At this rate how many minutes does it take her to ring up 4 coustomers

About 2% of the population has a particular genetic mutation. 600 people are randomly selected. find the standard deviation for the number of people with the ge

Jasper and Gemma are going to play on a teeter totter. Gemma gets on first. When Jasper gets on, Gemma moves into the air, but she does not move to the top. Whi

Could another signal be sent down the length of the neuron cell if the sodium ions and potassium ions were not returned to their original positions?

I’m really behind in mathematics right now any answers