S22400589 S22400589

04-05-2020
Mathematics

contestada

If 40% of a radioactive substance remains after 20 years, what is the half-life of the substance?

Respuesta :

abrienbowman7 abrienbowman7

04-05-2020

Answer:

192 Hr

Step-by-step explanation:

Answer Link

cuentaprivada046 cuentaprivada046

04-05-2020

Answer:

it would be 176hrs of half life

Answer Link

Otras preguntas

En Costa Rica, se enseñan clases de tecnología en inglés para preparar a los estudiantes a que trabajen para companías estadounidenses con oficinas en Costa Ric

which of the following characters from the tempest would most likely be described as power hungry

Jacket is on sale for $10 off. You have a coupon worth $5.80 that brings the cost of the jacket down to $33.19. Write and solve an equation to find the original

EASY 14 POINTS, PLEASE HELP ASAP. Go into a dark room with a flashlight and face the beam toward a wall. Change the flashlight's distance from the wall as well

How would you say, “Frank likes to eat french fries and drink lemonade” in Spanish? A Frank le gusta comer papas fritas y beber limonada. A Frank le gustan las

Someone please help me this is worth 10 points

HELP 10 POINTS! A cube has side lengths of 2 m. What is the surface area of the cube? Enter your answer in the box. m²

I need help with number 15 and 17. Does anyone know any?

The __________ phase of the writing process follows prewriting, and includes writing a preliminary version of your essay that expands your ideas and organizes

dentify the structure of the human heart which is a large vein (right and left branches) that carries oxygenated blood from the lungs to the left atrium of the