heypeoplelol heypeoplelol

04-06-2021
Mathematics

contestada

In two half-lives, how much of a 400-gram sample of a radioactive element will remain un-decayed?

Respuesta :

Аноним Аноним

04-06-2021

Answer:

100 grams

Step-by-step explanation:

1/2 * 1/2 = (1/2)² = 1/4

1/4 * 400 = 100

Answer Link

Otras preguntas

paragraph The book I like mostsimple words.....

You are basing your opinion _____ that experience.infortoonofwithover

Independent PracticeInfer the connotative meaning of the animal name in each sentence. You may work wita partner and agree on it.1.Everyone studies hard in Zool

If it takes Kathy 2 hours to bake 20 cupcakes, then at that rate, how many cupcakes could be made in 16 hours?

the diameter of a vollyball is 15.5 find its radius and volume.Please answer with full process

meaning of ejaculation

What is the answer

1.2 Mention THREE reasons why the ability to adapt to change is important forimprovement of your quality of life.

Can the following situation be described by a positive integer or a negative integer? David deposited his weekly paycheck from his job in the amount of $287. A.

What are the five human impacts on the environment? (I would prefer them in point form, but i understand if you cant do that