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 HELP WILL GIVE BRAINLIEST AND 5.0 RATING

3x – 2y = -6 y = 1.5x + 3 What is the solution to the system

WILL GIVE BRAINLIEST How do Sumer have a great impact on western world Please and thank you

Claude wants to improve his agility skills. What is the LEAST helpful exercise for him to reach this goal?A. wall sitsB. high-knee drillsC. lateral jumpsD. shut

What are some of the continued challenges to the San Bushmen's way of life?

PLEASE HELP WILL GIVE BRAINLIEST AND 5.0 RATING

why does protease digest protein but not fat?

Please look at the photo and give me the answer :)))

In 1–2 sentences, explain one thing that should be included in a conclusion and one thing that should not be included. Help Please there is 2 other question I n

PLEASE HELP WITH THIS ONE QUESTION