brainiac2829 brainiac2829

10-12-2018
Mathematics

contestada

Iodine-125 has a half-life of about 60 days. How many milligrams of a 1000 mg sample will remain after 240 days?

Respuesta :

LammettHash LammettHash

10-12-2018

240 days is 4 times the half-life, which means that a sample of 1000 mg will decay to

[tex]\dfrac{1000}{2^4}=\dfrac{125}2=62.5\,\mathrm{mg}[/tex]

after 240 days.

Answer Link

Otras preguntas

1. Which branch of government includes Congress? A. Judicial B. Senate C. Executive D. Legislative

Give two similarities and one difference between mechanical waves and electromagnetic waves.

solve 2 3/4a=19 1/4

How did migration affect the population of the countries? NEED HELP! :'(

The population of the Dominican Republic is approximately __________ million.

What is the main benefit of letting the narrator describe a human's inability to stop nature? A. It creates an unrealistic sense of the powerful nature of the n

Which method can be used to make a reliable guess that a victim was under 17 years old? A) look for flat-bladed incisors B) look for presence or absence of wis

What role did many Native Americans take during the war in the West?

what is the verb phrase in the sentence? For hundreds of years, the Miller family has been growing wheat in the little village of Smithville.

During the fourteenth century, the European population________.