Question

The amount of carbon-14 still present in a sample after t years is given by the function
where C0 is the initial amount. Estimate the age of a sample of wood discovered by an archeologist if the carbon level in the sample is only 15% of its original carbon-14 level. FORMULA UPLOADED

Answer 1

how did you get that answer brfore?

Answer 2

you can do this. you asked this exact same problem last night with a different percentage. follow the exact same steps me and others showed you

Answer 3

yeah i never could get the right answer how did you get it?

Answer 4

I showed you the exact steps in the previous problem just now. Check it and ask me if you have any doubts

Answer 5

ok cool

Answer 6

i did it and i got 0.52705153873535657291
and that cant be right it is not a choice

Answer 7

for which one? this problem or the previous problem?

Answer 8

this one

Answer 9

so you did t = ln 0.15/ -.00012 ?

Answer 10

i did the in of both then divided them

Answer 11

why did you do ln for both of them? do it only for the numerator.

Answer 12

ooooo ok

Answer 13

YEAH THANKS MATE

Answer 14

np

Answer 15

i need help on this other one too

Answer 16

post separately