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

2x+y=20 6x-5y=12 substitution
PLZ HELP ME SOMEONE! Carol and Nora left the library at the same time. Carol biked east at a speed of 8 miles per hour. Nora biked west at a speed of 10 miles p
PLZ HELP ME SOMEONE! Carol and Nora left the library at the same time. Carol biked east at a speed of 8 miles per hour. Nora biked west at a speed of 10 miles p
for f(x)=x+3 and g(x)=4x+5 find the following functions(simplify answers) (f*g)(x)= (g*f)(x)= (f*g)(-1)=
How to balance chemical equations?
How to balance chemical equations?
What differentiates baseline activities from health-enhancing activities?
how to simplify (5x²y³)²
When did the Dell Inspiron 11 come out?
Michelle is thinking of a shape. It is not a polygon. It has two sides what is it?