granatohannah9735 granatohannah9735
  • 15-11-2022
  • Chemistry
contestada

the half-life of radium-226 is 1590 years. if a sample contains 200 mg, how many mg will remain after 2000 years?

Respuesta :

Otras preguntas

Sally lives in City A and works for the department of transportation. She needs to inspect the weigh stations in each of four different cities. In how many ways
Based on the information provided by this map, which statement about Constantinople is accurate? Group of answer choices Constantinople was a city located on th
Suppose a 95% confidence interval for μ turns out to be (1,000, 2,100). To make more useful inferences from the data, it is desired to reduce the width of the c
I have no idea how to even get this. Please help!!!
Match the following terms and definitions. 1. a fluid of lymph and blood that circulates within invertebrates interferons lymphocyte nephron 2. protein cells th
How do you write (243)^ 3/5 in radical form? THEN simplified?! *PLEASE HELP
Employees in 2012 paid 4.2% of their gross wages towards social security (FICA tax), while employers paid another 6.2%. How much will someone earning $23,000 a
An example of the ____ effect is when BMW gained in-depth information about visitors to a popular Chinese social media site, and used that information to determ
On May 9, 2013, Calvin acquired 250 shares of stock in Aero Corporation, a new startup company, for $68,750. Calvin acquired the stock directly from Aero, and i
There are 6 boys and 15 girls in the class. What is the ratio to boys and girls?