Question
1.Carbon-14 ( 14 C) dating assumes that the carbon dioxide on the Earth today has the same radioactive content as it did centuries ago. If
1.Carbon-14 (14C) dating assumes that the carbon dioxide on the Earth today has the same radioactive content as it did centuries ago. If this is true, then the amount of14C absorbed by a tree that grew several centuries ago should be the same as the amount of14C absorbed by a similar tree today. A piece of ancient charcoal contains only13%as much of the radioactive carbon as a piece of modern charcoal. How long ago was the tree burned to make the ancient charcoal? (The half-life of14C is 5715 years. Round your answer to one decimal place.)
2.A small business assumes that the demand function for one of its new products can be modeled byp=Cekx.
Whenp=$50,x=800units, and whenp=$40,x=1200units.(a) Solve forCandk. (RoundCto four decimal places andkto seven decimal places.)C | = |
k | = |
x | = | units |
p | = | $ |
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