An Archaeologist in Turkey discovers a spear head that contains 27% of its original amount of C-14. Find the age of the spear head to the nearest year.

Question

lastdaywork · Answer

Do you know the half life or decay constant of C-14 ??

anonymous · Answer

No D: but it tells me the formulas and what not

lastdaywork · Answer

In general, how do you solve such questions ??

anonymous · Answer

I ask my teacher for help but still dont get it.

anonymous · Answer

http://openstudy.com/study#/updates/500263d6e4b0848ddd668eac A previous asked question.That might helped you . Welcome to Openstudy ^_^

anonymous · Answer

ok but i dont know how to solve t=ln(1/.27)/.0001

anonymous · Answer

use calculater

anonymous · Answer

i dont have one right now ;[ and its confusing to use on the iphone

anonymous · Answer

what I can do now ???

anonymous · Answer

idk. i just dont know how to solve that on a calculator lol D:

anonymous · Answer

http://prntscr.com/2rhvo7

anonymous · Answer

Use google . lol :D

anonymous · Answer

my school blocked the website url -__-!

anonymous · Answer

lol i tried sarah

anonymous · Answer

idk if you can use the first one, but here's some links for calculators :) https://www.connexus.com/library/default.aspx?lineage=%2fHome%2fCurriculum+and+Instruction%2fConnections+Education+Courses%2fMathematics%2fCalculators%2f&category=Calculators https://www.mathway.com/

anonymous · Answer

Nope vallary i needa log in, and mathway doesnt help it keeps giving an infinite number

anonymous · Answer

Second one is really good and helpful .

anonymous · Answer

https://www.google.com.pk/#q=scientific+calculator thats not opening for you ??????

anonymous · Answer

I have a graphing calculator one, but idk how that would help /.\

anonymous · Answer

well thanks guys. i'll try and figure out.

anonymous · Answer

lol ok :D

anonymous · Answer

The correct answer is 13093 without any decimal points or commas