seanpauloh5 seanpauloh5
  • 26-01-2021
  • Mathematics
contestada

The half-life of iodine-131 is approximately 8 days. Find the amount of iodine-131 left from a 35 gram sample after 32 days.

Respuesta :

thebecks
thebecks thebecks
  • 26-01-2021

Answer:

2.1875 grams

Step-by-step explanation:

32/8=4 times it will divide 1/2

35/2=17.5

17.5/2=8.75

8.75/2=4.375

4.375/2=2.1875

Answer Link

Otras preguntas

[HELP!! Giving 50 points!]Given j(x)=(1/2)^x -1 and k(x) =-3 Graph the system and determine the solution(s)
Mrs. Ishimitsu is installing a rubber bumper around the edge of her coffee table. The dimensions of the rectangular table are (2x2 – 16) feet and (–x2 + 4x + 1)
which is a factor of 91 multiple choice 7 20 4 or 12
Rewrite 7 − 8 using the additive inverse and display the new expression on a number line. 7 + (−8) 7 + 8 7 − (−8) 8 − 7
Chin made an error in his chart showing the multiplication of the binomial by the trinomial. Which change can be made to correct the chart? The expression 3x
The heat of vaporization for benzaldehyde is 48.8 kj/mol, and its normal boiling point is 451.0 k. use this information to determine benzaldehyde's vapor pressu
In her final entry on August 1st, what does Anne call herself
Find the value of 5.2^2
Which of the following steps were applied to abcd to obtain abcd
PLS FAST 98 Points What is the perimeter of RSTU? ABCD RSTU 13 m 9 m 22 m 21 m