The amount of carbon-14 remaining in a sample that weighs A is given by where t is time in years. If tests on a fossilized skull reveal that 99.97% of the carbon-14 has decayed, how old is the skull? Select the correct answer rounded to the nearest integer.
A)2,629 years old
B)23,234 years old
C)0 years old
D)1,985 years old
E)28,978 years old

Question

The amount of carbon-14 remaining in a sample that weighs A is given by  where t is time in years. If tests on a fossilized skull reveal that 99.97% of the carbon-14 has decayed, how old is the skull? Select the correct answer rounded to the nearest integer.
A)2,629 years old 
B)23,234 years old 
C)0 years old 
D)1,985 years old 
E)28,978 years old

Quizplus · Accepted Answer

The Answer of The amount of carbon-14 remaining in a sample that weighs A is given by  where t is time in years. If tests on a fossilized skull reveal that 99.97% of the carbon-14 has decayed, how old is the skull? Select the correct answer rounded to the nearest integer.
A)2,629 years old 
B)23,234 years old 
C)0 years old 
D)1,985 years old 
E)28,978 years old

The Amount of Carbon-14 Remaining in a Sample That Weighs