ayerskaleigh ayerskaleigh

03-12-2020
Mathematics

contestada

You have 2,112 grams of a radioactive kind of mercury. How much will be left after 188 days if it's half-life is 47 days?

Respuesta :

mhanifa mhanifa

12-12-2020

Answer:

132 g

Step-by-step explanation:

Initial amount = 2112 g
Time = 188 days
Half-life = 47 days

188 days / 47 days = 4 periods

Mercury left after 188 days:

2112 * (1/2)^4 =
2112* 1/16 =
2112/16 =
132 g

Answer Link

Otras preguntas

Is a triangle with the side lengths 4 feet, 7. 5 feet, and 8. 5 feet a right triangle? Why or why not?

What is the supreme law of the land? the Constitutionthe Constitution , , the Bill of Rightsthe Bill of Rights , , the Articles of Confederationthe Articles of

Which equation best represents the relationship between x and y in the graph?

Simplify: (13/4)x - 8y- (5/4) x + 7y + 5

1984: What is a central idea in the text as seen in the three slogans of the Party? Question 5 options: a) Issues like war and freedom no longer have an effect

I NEED HELP ASAP PLEASE.

With so many other forms of entertainment available, why should anyone spend time reading?

Cross a female with normal color vision, but whose father was colorblind, with a man who has colorblindness. Tell the expected phenotypic ratio of the offspring

10. Can you predict an environmental factor that could influence the floppy ear trait?

I'll give brainly to who can answer these 2 questions and must be correct C: ~Chiena 1- Science is based on the correspondence theory of truth, which claims tha