peytona0922
peytona0922 peytona0922
  • 02-03-2022
  • Mathematics
contestada

The half-life of lodine-131 is about 8 days. After
how many days would only 0.78g remain from
an original 200g sample?

Respuesta :

jackson259
jackson259 jackson259
  • 02-03-2022
I believe the answer is 8
200/2/2/2/2/2/2/2/2=.78
Answer Link

Otras preguntas

The product of 2 and 12 more than a number
What is the circumference of a circle with a diameter of 21cm, rounded to the nearest tenth​
Read the excerpt from the story of my life by helen keller
An insurance company can refuse to renew a policy because of your:
Which statement describes the system of equations? (3x-4y=-35 (3x + 4y = 5 It has one solution (-5.5). It has one solution (5, -5). The system has no solution.
A sector with an area of 140 pie cm^2 has a radius of 20 cm. r = 20 cm A = 140 pie cm^2 What is the central angle measure of the sector in degrees?
Based on their number of valence electrons, which group of elements will gain two electrons by bonding with other atoms? Question 1 options: Be, Mg, Ca, Sr, Ba
/3Mickey He hits the puckwhen it has an initialvelocity of 3.5 m/s [East].The stick touches the puckfor 0.250 seconds andchanges the velocity to6.75 m/s [East].
What is the square root of -1?
Bipasha can eat 24 rasgullas in 12 minutes. Her friend Sujata takes DOUBLE the time to eat the same number.One day they buy 24 rasgullas and start eating them.