Tooth that contains 42 % of original
amount of c-14. find age of the tooth.
n = noe -kt
no = initial mass of c-14 (at time t - 0)
n = amount of c-14 at time t
k = 0.0001

2

step-by-step explanation:

b. 2 and 4

step-by-step explanation:

the answer is d

for problems like this theres an app, its photomath that explains the problem and gives the answer hope i

24

step-by-step explanation:

you just have to add the 15 + 9 to get 24

you do this bc you want to find the total of the whole line and those two numbers make up the line