diDNealiseca diDNealiseca

10-09-2016
Mathematics

contestada

how long will it take for a 40.0 gram sample of i-131 (half-life = 8.040 days) to decay to 1/100 its original mass?

Respuesta :

Viktor326 Viktor326

10-09-2016

(1/2)^n=(1/100) n=6.645 Time taken= n*halflife. =6.645*8.040days =53.426days

Answer Link

Otras preguntas

How do you find the slope

Williams salary is £24000 his salary increases by 4% work out Williams new salary

One british principle of government vallued by the american colonist was the

Why did some American Revolutionary leaders believe a central government was necessary? A) They did not want the states to have any rights. B) A central g

Which of the following is correct in regard to the use of formal english?

two differences between the people in shakespeare's time-period and people today?

Who was sentenced to jail in 1894 for helping to impede US mail delivery?

Factor the polynomial expression completely: 27y−12y^3

what does the declaration say the colonist are "absolved" from?

Which of the following is true about office friendships? A. Office friendships are based mainly on ethnic similarities. B. Workplace cliques can cau