Solve the problem.A fossilized leaf contains 12% of its normal amount of carbon 14. How old is the fossil (to the nearest year)? Use 5600 years as the half-life of carbon 14.
A. 1,031
B. 36,108
C. 20,040
D. 17,099
Answer: D
Mathematics
You might also like to view...
Use linear interpolation to find the indicated value.The radius of a cone of fixed volume is related to the height according to the following table:
If the height is 6.1 cm, what is the radius?
A. 4.342 cm B. 4.618 cm C. 4.338 cm D. 4.614 cm
Mathematics
Perform the indicated operation. Express your answer in simplest form.
- 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The polynomial function 
represents the yearly income (or loss) from a real estate investment, where t is time in years. After what year does income begin to decline?
A. 7.5 B. 8.5 C. 17 D. 11.33
Mathematics
Find the zeros of the function in the interval [-2?, 2?].f(x) = - 
sin 
A. 0, ±
, ±?
B. 0, ±?, ±2?
C. 0, ±2?
D. ±
, ±
Mathematics