Solve the problem.A fossilized leaf contains 30% 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. 2876
B. 9709
C. 34,262
D. 27,429
Answer: B
Mathematics
You might also like to view...
Find the length of the curve.y = 
x3 + 
from x = 1 to x = 2
A. 
B. 
C. 
D. 
Mathematics
Evaluate the requested trigonometric function using the information given. cos ? = 
; 3?/2 < ? < 2?Find cot ?.
A. 
B. - 
C. - 
D. -24
Mathematics
Factor by grouping.x3 + 5x2 + 3x + 15
A. (x + 5x)(x2 + 3) B. (x + 5)(x2 - 3) C. (x + 5)(x2 + 3) D. (x - 5)(x3 + 3)
Mathematics
Solve the problem.The number of people present at a stadium for a big rock concert can be estimated with the following function: 
where y is the number of people present and x is the amount of time after 
on the day of the concert. Predict the number of people present at 
A. 35,564 people B. 35,565 people C. 37,740 people D. 52,865 people
Mathematics