tiffy9066 tiffy9066
  • 03-05-2018
  • Chemistry
contestada

The half-life of cobalt-60 is 5.20 yr. how many milligrams of a 2.000-mg sample remain after 10.50 years?

Respuesta :

mkryukova19 mkryukova19
  • 03-05-2018
final amount =initial anount *(1/2)^(t/half life)

final amount =2.000 mg *(1/2)^(10.5/5.20) = 0.493 mg remain after 10.5 years
Answer Link

Otras preguntas

Judy is buying 6 pint of ice cream for her party at $3.45 each if she has a $20 bill does she have enough to buy the ice cream
*I’m struggling with this calculus practice problem, I need it solved*
I need help with this one and the exact points to plot
What is the electric potential energy of an arrangement of two charges, -14.88 μC and -23 μC, separated by 34.35 cm?
л IX +6 ІІ 2 someone please help
find the height of a cone with a diameter of 12m whose volume is 264m ^3 . use 3.14 for π and round your answer to the nearest meter . A. 42m B. 6m C. 7mD. 2m
four times a number increased by 2 is less than -24
The minute hand of a clock extends out to the edge of the clock's face, which is a circle of radius 4 inches. What area does the minute hand sweep out between 9
In △KLM, the measure of ∠M=90°, ML = 28, LK = 53, and KM = 45. Find tan L and cos K.
#7 iDecide whether there is enough information to prove that alb. If so, state the theroem you would usebHNo, there is not enough informationYes. Alternate Inte