The half-life of carbon-14, 14C, is approximately 5,730 years. A bone fragment is estimated to have originally contained 4 milligrams of 14C. Write the exponential decay equation where A is the amount (in mg) of carbon-14 remaining in the bone fragment after t years. A =        How many milligrams of 14C should be in the bone fragment 10,000 years later? Round to the nearest tenth. ?  mg

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The half-life of carbon-14, 14C, is approximately 5,730 years. A bone fragment is estimated to have originally contained 4 milligrams of 14C.
Write the exponential decay equation where A is the amount (in mg) of carbon-14 remaining in the bone fragment after t years.
A = 
 
 
 
How many milligrams of 14C should be in the bone fragment 10,000 years later? Round to the nearest tenth.
?  mg
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