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

kilo- - 1,000deka- - 10How much larger is a kilo- than a deka-?

Anyone know how to do this kind of algebra? Compute the discriminants of the next two quadratic equations. Compare the result in (A) to that in (B). What do y

what are some fun facts on animal and plant cells.

three consecutive even integers have a sum of 168. what's the value of the largest integer?

Who were the British allies and how did they help them to win so many battles in the American Revolutionary

1.133 g of silver nitrate was heated in an open tube. The silver residue weighed 0.720 g. During the reaction 0.307 g of nitrogen dioxide was also produced. Th

How do I solve c/4d divided by 3/8d

A crime suspect fled the scene when police officers entered the building. How far could he run in 10 minutes if he can run 5 miles per hour?

What was Italy’s primary role in the WWII?a. It helped Germany in accomplishing its main objectivesb. It was helpful to Britainc. It caused problems for Japand.

kilo- - 1,000deka- - 10How much larger is a kilo- than a deka-?