izzybeelauro izzybeelauro
  • 24-03-2020
  • Mathematics
contestada

the half-life of a radioactive kind of iodine is 12 hours. how much will be left after 36 hours if you start with 832 grams of it

Respuesta :

novahm
novahm novahm
  • 24-03-2020

Answer:

104 g

Step-by-step explanation:

Using half life formula

A= a(1/2)^t/h, where t represents the hours, h represents the half life of iodine, a is the original amount and A is how much is left

A=[tex]832(1/2)^{36/12}[/tex]

=832(1/2)^3

=104 g left

Answer Link

Otras preguntas

The vertex of this parabola is at (4, -3). When the x-value is 5, the y-value is -6. What is the coefficient of the squared expression in the parabola s equati
How to solve 5(x-3)+2=7?step by step please help me math tutor. Right answer only.
If you are paid an hourly wage of $9.00, determine an equation for finding your weekly gross pay (P) for t hours. Specify an amount between 25 and 40 hours work
What's protein synthesis?
Tim is twice as old as his son. In six years, Tim s age will be three times what his son s age was six years ago. How old is tim s son now?
What is the square root of 25/9?
On Monday, it took Helen 3 hours to do a page of science homework exercises. The next day she did the same number of exercises in 2 hours. If her average rate o
what are the worlds biggest countries?
Solve by completing the square x^2-2x-5=0
What is the square root of 25/9?