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The Number of Grams of a Radioactive Substance in Charcoal

Question 23

Multiple Choice

The number of grams of a radioactive substance in charcoal from an ancient campfire after t years is given by The number of grams of a radioactive substance in charcoal from an ancient campfire after t years is given by . If the sample has only 15 grams of radioactive substance, then when was the campfire used? A) 5,752 years ago B) 4,706 years ago C) 12,040 years ago D) 5,229 years ago . If the sample has only 15 grams of radioactive substance, then when was the campfire used?


A) 5,752 years ago
B) 4,706 years ago
C) 12,040 years ago
D) 5,229 years ago

Correct Answer:

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