alexandriabritt3672 alexandriabritt3672
  • 04-06-2019
  • Chemistry
contestada

Radium-223 is a radioactive isotope with a half-life of 11.4 days. how long (in days) will it be before 87.5% of the sample has decayed?

Respuesta :

mohamedshuler mohamedshuler
  • 04-06-2019

Answer:

9.975 days

Explanation:

87.5% of 11.4 is 9.975 you can see this by doing 11.4 * 0.875

Answer Link

Otras preguntas

Please answer BOTH the questions tyyyyyysm
5x + 13y=232 12x + 7y= 218
The __________ is the process of posing and answering research questions using controlled techniques that include systematic, orderly observation and the collec
please place the dot for me(20 points will give brainliest!!!)
How can MS Word aid healthcare professionals with virtual communication?
Solve for [x]. The polygons in each 2x-20 16 16 8
helppppp pleaseee tap or click picture if needed​
Solve the following subtraction problem. Remember to borrow as necessary. 9cu yd113cu in − 4cu ft129cu in −−−−−−−−−−−−−−−−−−−−−−
what does the immune system do to fight off malaria?
Help me ye good people so that I may give brain something