Question

will medal
There was a sample of 850 milligrams of a radioactive substance to start a study. Since then, the sample has decayed by 5.5% each year.
Let t be the number of years since the start of the study. Let y be the mass of the sample in milligrams.
Write an exponential function showing the relationship between y and t

Answer 1

5.5t * 850 = y
sorry if i'm wrong

Answer 2

thanks it was wrong

Answer 3

ye i'm sorry
is this algebra?

Answer 4

Damn.. I took algebra last year
it's so sad I missed this question and i'm in geometry honors

Answer 5

I'm sorry

Answer 6

I took algebra 1 honors in 8th grade

Answer 7

@phi plz help

Answer 8

\[y=850\left( 1-\frac{ 5.5 }{ 100 } \right)^t\]

Answer 9

yup that looks like the equation.

Answer 10

@surjithayer thanks a million

Answer 11

a trillion :)

Answer 12

yw

Answer 13

i gave you a medal for being so awesome :)

Answer 14

nice job